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  • square (tool)

    Square, in measurement, device consisting of two straightedges set at right angles to each other. It is used by carpenters and machinists for checking the correctness of right angles, as a guide when drawing lines on materials before cutting, or for locating holes. The tools shown in the Figure

  • square (military formation)

    Battle of the Pyramids: …tactical innovation, the massive divisional square.

  • square (mathematics)

    Square, in geometry, a plane figure with four equal sides and four right (90°) angles. A square is a special kind of rectangle (an equilateral one) and a special kind of parallelogram (an equilateral and equiangular one). A square has four axes of symmetry, and its two finite diagonals (as with

  • square capital (calligraphy)

    majuscule: …in the script known as square capitals and can be seen chiseled in the stone of numerous surviving imperial Roman monuments. Square capitals are distinguished by their slightly heavier downstrokes and lighter upstrokes, and by their use of serifs, i.e., the short lines stemming at right angles from the upper…

  • square couplet (poetry)

    couplet: A “square” couplet, for example, is a stanza of eight lines, with each line composed of eight syllables. The preeminent English couplet is the heroic couplet, or two rhyming lines of iambic pentameter with a caesura (pause), usually medial, in each line. Introduced by Chaucer in…

  • square dance

    Square dance, dance for four couples (or groups of four couples) standing in square formation, the most popular and widely known type of folk dance in the United States. It was called the square dance to distinguish it from comparable dances called the contra, or longways dance, for a double file

  • Square Deal (United States history)

    Square Deal , description by U.S. Pres. Theodore Roosevelt (served 1901–09) of his personal approach to current social problems and the individual. It embraced Roosevelt’s idealistic view of labour, citizenship, parenthood, and Christian ethics. Roosevelt first used the term following the

  • Square Hebrew alphabet

    Aramaic alphabet: It is ancestral to Square Hebrew and the modern Hebrew alphabet, the Nabataean and modern Arabic scripts, the Palmyrenian alphabet, and the Syriac, as well as hundreds of other writing systems used

  • square Hebrew script (calligraphy)

    Hebrew alphabet: …Hebrew and the Classical, or Square, Hebrew. Early Hebrew was the alphabet used by the Jewish nation in the period before the Babylonian Exile—i.e., prior to the 6th century bce—although some inscriptions in this alphabet may be of a later date. Several hundred inscriptions exist. As is usual in early…

  • square knot

    knot: A square knot is composed of two overhand knots turned in opposite ways. It flattens when pulled tight, making it useful in first aid and for tying packages. A surgeon’s knot is an elaborated form of the square knot; it is composed of two overhand knots…

  • square law of attrition (naval warfare)

    naval warfare: The age of steam and big gun: …“N-square law” and the “square law of attrition”: success would build on itself, so that any small advantage at the outset of an engagement would compound in favour of the superior force. With long-range gunnery, the advantage accrued fleet-wide, not merely ship by ship as in the days of…

  • square matrix (mathematics)

    matrix: …n columns is called a square matrix of order n. An ordinary number can be regarded as a 1 × 1 matrix; thus, 3 can be thought of as the matrix [3].

  • Square Mile, The (borough, London, United Kingdom)

    City of London, municipal corporation and borough, London, England. Sometimes called “the Square Mile,” it is one of the 33 boroughs that make up the large metropolis of Greater London. The borough lies on the north bank of the River Thames between the Temple Bar memorial pillar (commemorating the

  • square number (mathematics)

    East Asian mathematics: Square and cube roots: In The Nine Chapters, algorithms for finding integral parts of square roots or cube roots on the counting surface are based on the same idea as the arithmetic ones used today. These algorithms are set up on the surface in the…

  • Square of Three Powers (square, Brasilia, Brazil)

    Brasília: City layout: …and legislative buildings around the Square of Three Powers, the conceptual heart of the city.

  • Square One (music group)

    soca: …from Barbados, and her band Square One rose to international soca stardom, and they remained perennial performers at Carnival in Trinidad until they broke up in 2004.

  • Square Pegs (American television program)

    Sarah Jessica Parker: …nerd in the television series Square Pegs. Although the show lasted only one season, it developed a cultlike following and led to several film offers, including Footloose (1984) and Girls Just Want to Have Fun (1985). Parker continued her work in the theatre, appearing in The Heidi Chronicles (1989); The…

  • square piano (musical instrument)

    Square piano, musical instrument that was popular for domestic music-making from the time of its invention in the mid-18th century (possibly by the Saxon organ-builder Ernst Christian Friderici) to about 1860 in Europe and to about 1880 in the United States. This type of piano was introduced in

  • square plan (architecture)

    architecture: Symbols of function: In Hindu temples, the square (and the cross plans developed from it) expressed celestial harmony. The central-plan Christian church (circle, polygon, Greek cross, ellipse) fascinated the architects of the Renaissance with its symbolic and traditional values, and it is found in their drawings and treatises to the virtual exclusion…

  • square planar arrangement (molecular shape)

    coordination compound: Geometry: Two common forms are the square planar, in which four ligands are arranged at the corners of a hypothetical square around the central metal atom, and the octahedral, in which six ligands are arranged, four in a plane and one each above and below the plane. Altering the position of…

  • square root (mathematics)

    Square root, in mathematics, a factor of a number that, when multiplied by itself, gives the original number. For example, both 3 and –3 are square roots of 9. As early as the 2nd millennium bc, the Babylonians possessed effective methods for approximating square roots. See

  • square root law (mathematics)

    probability theory: The central limit theorem: …equation also illustrates clearly the square root law: the accuracy of X?n as an estimator of μ is inversely proportional to the square root of the sample size n.

  • square sail (watercraft part)

    Square sail, simplest form of rigging and the most ancient. The sails are attached to yards (crossbars) that are hung at their centres from the mast, and there are as many as five yards, one above the other. The characteristic of the square sail, apart from its shape, is that it always presents

  • square script (calligraphy)

    Hebrew alphabet: …Hebrew and the Classical, or Square, Hebrew. Early Hebrew was the alphabet used by the Jewish nation in the period before the Babylonian Exile—i.e., prior to the 6th century bce—although some inscriptions in this alphabet may be of a later date. Several hundred inscriptions exist. As is usual in early…

  • square turret (machinery)

    machine tool: Turret lathes: …the turret lathe is the square turret mounted on the cross slide. This turret also can be rotated about its vertical axis and permits the use of a variety of turning tools. A tool post, or tool block, can be clamped to the rear of the cross slide for mounting…

  • Square, Inc. (American company)

    Jack Dorsey: …cofounded and became CEO of Square, a mobile-payments venture that offered devices and software to facilitate credit-card transactions. It launched in 2010 and by 2012 had more than two million users. Square initially was available only in North America, but it expanded to overseas markets in 2013, when its services…

  • square-flipper (mammal)

    Bearded seal, (Erignathus barbatus), nonmigratory seal of the family Phocidae, distinguished by the bushy, bristly whiskers for which it is named; it is also known as “squareflipper” after the rectangular shape of the foreflipper. Highly valued by Eskimos for its hide, meat, and blubber, the

  • square-lipped rhinoceros (mammal)

    White rhinoceros, (Ceratotherium simum), the largest rhinoceros species and one of two African species of rhinoceroses. Historically, the species has been divided into two subspecies—the northern white rhinoceros (Ceratotherium simum cottoni) and the southern white rhinoceros (C. simum simum)—but

  • squared rectangle (mathematical game)

    number game: Geometric dissections: …so-called squaring the square, or squared rectangles. Thus, the problem of subdividing a square into smaller squares, no two of which are alike, which was long thought to be unsolvable, has been solved by the means of network theory. In this connection, a squared rectangle is a rectangle that can…

  • squarehead catfish (fish)

    ostariophysan: Annotated classification: Family Chacidae (squarehead catfishes) Head broad, long, depressed, mouth terminal, wide. Eastern India to Borneo. 1 genus, 3 species. Family Malapteruridae (electric catfishes) Rayed dorsal fin lacking; spines lacking. Electric organs. Food fishes. Size to 1.2 metres (about 4 feet), 23 kg (50 pounds). Africa. 2

  • squaretail (fish)

    Brook trout, (Salvelinus fontinalis), popular freshwater game fish, a variety of char, regarded for its flavour and its fighting qualities when hooked. The brook trout belongs to the salmon family, Salmonidae. A native of the northeastern United States and Canada, it has been transplanted to many

  • squaretail (fish, family Tetragonuridae)

    perciform: Annotated classification: Ariommidae, Amarsipidae, and Tetragonuridae Eocene to present; slender to ovate, deep-bodied fishes; dorsal fin continuous or spinous portion set off from soft portion by deep notch; in the most generalized species, which resemble Kyphosidae, the soft dorsal is preceded by about 6 low, stoutish spines; other species resemble…

  • squaring (art)

    Squaring, in painting, simple technique for transferring an image from one surface to another (and sometimes converting the image from one scale to another) by nonmechanical means. The original work to be transferred is divided into a given number of squares; the same number of squares is then

  • squaring (rowing)

    rowing: Stroke and style of training: …for the catch is called squaring.

  • squaring the circle (geometry)

    Quadrature of the Lune: …that someone had accomplished the squaring of the circle. Whether the unknown genius used lunes or some other method is not known, since for lack of space Boethius did not give the demonstration. He thus transmitted the challenge of the quadrature of the circle together with fragments of geometry apparently…

  • Squaring the Circle (work by Katayev)

    Valentin Katayev: …comic play Kvadratura kruga (1928; Squaring the Circle) portrays the effect of the housing shortage on two married couples who share a room. Beleyet parus odinoky (1936; Lonely White Sail, or A White Sail Gleams), another novel, treats the 1905 revolution from the viewpoint of two Odessa schoolboys; it was…

  • squaring the square (mathematical game)

    number game: Geometric dissections: …deserves brief mention, the so-called squaring the square, or squared rectangles. Thus, the problem of subdividing a square into smaller squares, no two of which are alike, which was long thought to be unsolvable, has been solved by the means of network theory. In this connection, a squared rectangle is…

  • squark (physics)

    supersymmetry: …the names of selectrons and squarks. Similarly, known bosons such as the photon and the gluon should have fermionic supersymmetric partners, called the photino and the gluino. There has been no experimental evidence that such “superparticles” exist. If they do indeed exist, their masses could be in the range of…

  • squash (plant)

    Squash, (genus Cucurbita), genus of flowering plants in the gourd family (Cucurbitaceae), many of which are widely cultivated as vegetables and for livestock feed. Squashes are native to the New World, where they were cultivated by native peoples before European settlement. The fruit of edible

  • squash (game)

    Squash rackets, singles or doubles game played in a four-walled court with a long-handled strung racket and a small rubber ball. The game is played on exactly the same principle as rackets but in a smaller court. Squash is usually played by two people, but it can be played by four (doubles). Two

  • squash beetle (insect)

    ladybug: Two of these are the squash beetle (Epilachna borealis) and the Mexican bean beetle (E. varivestis).

  • squash bug (insect species)

    coreid bug: …in North America is the squash bug (Anasa tristis), an important pest of squash, melon, and pumpkin. It is about 15 mm (0.6 inch) long; and, although its basic colour is dull tan, it is covered with so many dark pits that it appears to be brown or black. Squash…

  • squash bug (insect)

    Coreid bug, (family Coreidae), any of 2,000 widely distributed species of bugs (order Heteroptera), many of which are important plant pests. Coreid bugs are large, usually more than 10 mm (0.4 inch) in length. They occur in a wide range of environments and vary in size, shape, and colour. Their

  • squash family (plant family)

    Cucurbitaceae, the gourd family of flowering plants, belonging to the order Cucurbitales and containing 98 genera and about 975 species of food and ornamental plants. Members of the family are annual or perennial herbs native to temperate and tropical areas and include cucumbers, gourds, melons,

  • squash rackets (game)

    Squash rackets, singles or doubles game played in a four-walled court with a long-handled strung racket and a small rubber ball. The game is played on exactly the same principle as rackets but in a smaller court. Squash is usually played by two people, but it can be played by four (doubles). Two

  • squash racquets (game)

    Squash rackets, singles or doubles game played in a four-walled court with a long-handled strung racket and a small rubber ball. The game is played on exactly the same principle as rackets but in a smaller court. Squash is usually played by two people, but it can be played by four (doubles). Two

  • squash technique (biology)

    genetics: Cytogenetics: …the development of the so-called squash technique, in which entire cells are pressed flat on a piece of glass and observed through a microscope; the human chromosomes were numbered using this technique.

  • squash tennis (game)

    Squash tennis, racket game resembling squash rackets played by two people only in a four-walled court using a lively inflated ball that bounces very fast and is the size of a tennis ball. The game requires great speed in anticipation and turning. Squash tennis is played in the same court as squash

  • squash vine borer (insect)

    clearwing moth: The squash vine borer (Melittia) occurs east of the Rocky Mountains from Canada to South America (as the North American M. cucurbitae and the Colombian M. satyriniformis). It is a serious pest of squash and related plants such as gourds, pumpkins, and cucumbers. Eggs are deposited…

  • squash-head shell (ammunition)

    artillery: Antitank guns: The squash-head shell used a plastic explosive filling, which, deposited on the armour and then detonated, drove a shock wave through the plate. This resulted in the failure of the inner face and the ejection of a massive slab of metal into the tank.

  • squat (weightlifting)

    powerlifting: The squat, or deep knee bend, where the top of the lifter’s thighs must drop to or below parallel with the ground, demonstrates leg power. The bench press, done from a prone position and requiring a pause of the barbell at the chest, shows upper-body strength.…

  • Squatarola squatarola (bird)

    plover: … (Pluvialis species) and black-bellied (Squatarola squatarola), are finely patterned dark and light above and black below in breeding dress. These two genera are sometimes included in Charadrius.

  • Squatina (fish genus)

    Angel shark, (genus Squatina), any of about 15 species of sharks that constitute a single genus (family Squatinidae, order Squatiniformes) characterized by flattened heads and bodies, with winglike pectoral and pelvic fins that make them resemble rays. The tail bears two dorsal fins and a

  • Squatina squatina (fish species)

    angel shark: One species, Squatina squatina, was once frequently caught unintentionally in fishing nets and was later listed as critically endangered.

  • squatter (Australian history)

    Squatter, in 19th-century Australian history, an illegal occupier of crown grazing land beyond the prescribed limits of settlement. The inroad of squatters contributed to the growth of the country’s wool industry and to the development of a powerful social class in Australian life. By the late

  • squatter sovereignty (historical United States political doctrine)

    Popular sovereignty, in U.S. history, a controversial political doctrine according to which the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states. Its enemies, especially in New England, called it “squatter

  • squatter’s rights (United States history)

    Preemption, in U.S. history, policy by which first settlers, or “squatters,” on public lands could purchase the property they had improved. Squatters who settled on and improved unsurveyed land were at risk that when the land was surveyed and put up for auction speculators would capture it. F

  • squaw grass (plant)

    bear grass: tenax, also is known as elk grass, squaw grass, and fire lily. It is a smooth, light-green mountain perennial with a stout, unbranched stem, from 0.6 to 2 metres (2 to 6 feet) high, which rises from a woody, tuber-like rootstock and cordlike roots. The stem bears a dense basal…

  • Squaw Man, The (film by DeMille [1914])

    Samuel Goldwyn: deMille’s Squaw Man (1913), one of the first full-length feature films made in Hollywood. In 1917 the company merged with Adolph Zukor’s Famous Players Film Company, and Goldwyn became the chairman of the board of the Famous Players–Lasky Company. That same year he established the Goldwyn…

  • Squaw Man, The (American play)

    William S. Hart: …his role in the play The Squaw Man made him a western hero. After acting in the stage productions of The Virginian (1907) and The Trail of the Lonesome Pine (1912/14), he went to Hollywood, where his portrayals of stern, taciturn Westerners became enormously successful. He directed and starred in…

  • squaw tea (beverage)

    Ephedra: Major species and uses: …tealike preparation known variously as Mormon tea, Mexican tea, squaw tea, and desert tea.

  • Squaw Valley (sports area, California, United States)

    Squaw Valley, winter sports area in Placer county, northeastern California, U.S. It lies just northwest of Lake Tahoe. Squaw Valley, the focus of a state recreation area, was the site of the 1960 Winter Olympic Games. It has ice-skating and rock-climbing facilities, ski lifts, and trails and slopes

  • Squaw Valley 1960 Olympic Winter Games

    Squaw Valley 1960 Olympic Winter Games, athletic festival held in Squaw Valley, Calif., U.S., that took place Feb. 18–28, 1960. The Squaw Valley Games were the eighth occurrence of the Winter Olympic Games. Squaw Valley was narrowly awarded the 1960 Winter Olympics, beating out Innsbruck, Austria,

  • squaw vine (plant)

    Partridgeberry, (Mitchella repens), North American plant of the madder family (Rubiaceae), growing in dry woods from southwestern Newfoundland to Minnesota and southward to Florida and Texas. It is evergreen, with nearly round, 18-millimetre (0.7-inch) leaves, often variegated with white lines; a

  • squawberry (plant)

    Partridgeberry, (Mitchella repens), North American plant of the madder family (Rubiaceae), growing in dry woods from southwestern Newfoundland to Minnesota and southward to Florida and Texas. It is evergreen, with nearly round, 18-millimetre (0.7-inch) leaves, often variegated with white lines; a

  • squawfish (fish)

    Squawfish, any of several edible fishes of the genus Ptychocheilus found in the rivers of western North America. They are the largest members of the carp family (Cyprinidae) in North America. Because of the offensive connotation attributed to the word “squaw,” these animals are also referred to as

  • Squeers, Wackford (fictional character)

    Wackford Squeers, fictional character, the cruel headmaster of Dotheboys Hall in the novel Nicholas Nickleby (1838–39) by Charles

  • squeeze play (baseball)

    baseball: Advancing base runners and scoring: Similar to a sacrifice, the squeeze play uses the bunt to score a runner from third base. The runner also may advance on a fly ball or line drive that is caught for an out. The runner may “tag up” (reestablish contact with the base) and, the moment the ball…

  • squeeze-bore gun (weaponry)

    artillery: Antitank guns: …projectile’s velocity, and the “taper-bore” or “squeeze-bore” gun proved formidable. Guns with tapering calibres of 28/20, 41/29, and 75/55 millimetres were developed, but wartime shortages of tungsten led to their abandonment after 1942. In 1944 Britain perfected “discarding-sabot” projectiles, in which a tungsten core was supported in a conventional…

  • Squibb Corporation (American corporation)

    E. R. Squibb: Squibb & Sons.

  • Squibb, E. R. (American chemist)

    E. R. Squibb, U.S. chemist and pharmaceutical manufacturer who developed methods of making pure and reliable drugs and founded a company to manufacture them. During the four years when Squibb served on various ships as a U.S. Navy medical officer, he observed the poor quality of medicines supplied

  • Squibb, Edward Robinson (American chemist)

    E. R. Squibb, U.S. chemist and pharmaceutical manufacturer who developed methods of making pure and reliable drugs and founded a company to manufacture them. During the four years when Squibb served on various ships as a U.S. Navy medical officer, he observed the poor quality of medicines supplied

  • SQUID (sensor)

    Josephson effect: …to the operation of the superconducting quantum interference device (SQUID), which is a very sensitive detector of magnetic fields. It is used to measure tiny variations in the magnetic field of the Earth and also of the human body.

  • squid (cephalopod order)

    Squid, any of more than 300 species of 10-armed cephalopods classified within the order Teuthoidea (or Teuthida) and found in both coastal and oceanic waters. Squids may be swift swimmers or part of the drifting sea life (plankton). Squids have elongated tubular bodies and short compact heads. Two

  • Squier, E. G. (American archaeologist)

    E. G. Squier, U.S. newspaper editor, diplomat, and archaeologist who, with the physician and archaeologist Edwin H. Davis, conducted the first major study of the remains of the pre-Columbian North American Mound Builders. He also carried out explorations in Central America, Peru, and Bolivia in an

  • Squier, Ephraim George (American archaeologist)

    E. G. Squier, U.S. newspaper editor, diplomat, and archaeologist who, with the physician and archaeologist Edwin H. Davis, conducted the first major study of the remains of the pre-Columbian North American Mound Builders. He also carried out explorations in Central America, Peru, and Bolivia in an

  • squill (plant)

    Squill, (genus Scilla), genus of about 100 species of bulbous plants (family Asparagaceae, formerly Hyacinthaceae) native to temperate Eurasia. Some spring-flowering species are cultivated as garden ornamentals. Siberian squill (Scilla siberica) has escaped cultivation and is considered an invasive

  • squill (drug)

    pharmaceutical industry: Medicines of ancient civilizations: …for pain relief, and, while squill was used for a time as a cardiac stimulant, it is better known as a rat poison. Although many of the medicinal preparations used by Galen are obsolete, he made many important conceptual contributions to modern medicine. For example, he was among the first…

  • Squilla (crustacean genus)

    mantis shrimp: …especially members of the genus Squilla. Mantis shrimps are so called because the second pair of limbs are greatly enlarged and shaped like the large grasping forelimbs of the praying mantid, or mantis, an insect. They use these appendages to smash through the shells of bivalved mollusks and other hard-shelled…

  • squinch (architecture)

    Squinch, in architecture, any of several devices by which a square or polygonal room has its upper corners filled in to form a support for a dome: by corbelling out the courses of masonry, each course projecting slightly beyond the one below; by building one or more arches diagonally across the

  • squint (physiology)

    Strabismus, misalignment of the eyes. The deviant eye may be directed inward toward the other eye (cross-eye, or esotropia), outward, away from the other eye (exotropia), upward (hypertropia), or downward (hypotropia). The deviation is called “concomitant” if it remains constant in all directions

  • squint (architecture)

    Hagioscope, in architecture, any opening, usually oblique, cut through a wall or a pier in the chancel of a church to enable the congregation—in transepts or chapels, from which the altar would not otherwise be visible—to witness the elevation of the host (the eucharistic bread) during mass.

  • squire (European history)

    France: Rural society: …reserving the designation of “squire” (or donzel, in the south) for those of noble birth awaiting or postponing the expensive dubbing (adoubement). At the upper extreme, a noble elite, the barons, achieved recognition in administration and law.

  • Squire’s Tale, The (story by Chaucer)

    The Squire’s Tale, one of the 24 stories in The Canterbury Tales by Geoffrey Chaucer. The Squire relates an incomplete tale of the Tartar king Cambyuskan (Cambuscan), who receives four magical gifts: a brass horse that can fly anywhere safely but at astonishing speed, a sword that can penetrate

  • Squire, Chris (British musician)

    Yes: …25, 1944, Accrington, Lancashire, England), Chris Squire (b. March 4, 1948, London, England—June 27, 2015, Phoenix, Arizona, U.S.), Steve Howe (b. April 8, 1947, London), Rick Wakeman (b. May 18, 1949, London), and Alan White (b. June 14, 1949, Pelton, Durham, England). Other members included Bill Bruford (b. May 17,…

  • Squire, Sir J. C. (British journalist and author)

    Sir J. C. Squire, English journalist, playwright, a leading poet of the Georgian school, and an influential critic and editor. Squire was educated at Blundell’s School and at St. John’s College, Cambridge University. He was appointed literary editor of the New Statesman in 1913, and acting editor

  • Squire, Sir John Collings (British journalist and author)

    Sir J. C. Squire, English journalist, playwright, a leading poet of the Georgian school, and an influential critic and editor. Squire was educated at Blundell’s School and at St. John’s College, Cambridge University. He was appointed literary editor of the New Statesman in 1913, and acting editor

  • Squire, The (work by Bagnold)

    Enid Bagnold: …Squire (1938; also published as The Door of Life), which conveys the mood of expectancy in a household awaiting the birth of a child, and The Loved and Envied (1951), a study of a woman facing the approach of old age. As a playwright, Bagnold achieved great success with The…

  • Squires, Dorothy (British singer)

    Dorothy Squires, British popular singer who was considered one of the best in the 1940s and early ’50s; a series of emotional and legal setbacks following her divorce from actor Roger Moore in the late 1960s left her destitute (b. March 25, 1915, Pontyberem, Wales--d. April 14, 1998, Llwynpia,

  • Squires, Edna May (British singer)

    Dorothy Squires, British popular singer who was considered one of the best in the 1940s and early ’50s; a series of emotional and legal setbacks following her divorce from actor Roger Moore in the late 1960s left her destitute (b. March 25, 1915, Pontyberem, Wales--d. April 14, 1998, Llwynpia,

  • Squires, Sir Richard Anderson (prime minister of colonial Newfoundland)

    Sir Richard Anderson Squires, controversial prime minister of Newfoundland (1919–23; 1928–32) who gained a reputation for being opportunistic, extravagant, and corrupt but whose promotion of education and industrial development laid the foundation for the Newfoundland Liberal Party’s emergence as

  • squirrel (rodent)

    Squirrel, (family Sciuridae), generally, any of the 50 genera and 268 species of rodents whose common name is derived from the Greek skiouros, meaning “shade tail,” which describes one of the most conspicuous and recognizable features of these small mammals. These distinctive animals occupy a range

  • squirrel corn (plant)

    Squirrel corn, (Dicentra canadensis), wildflower of eastern and midwestern North American woodlands, belonging to the poppy family (Papaveraceae). Squirrel corn is sometimes cultivated as a garden ornamental. Squirrel corn is a herbaceous perennial that grows approximately 30 cm (1 foot) tall. The

  • squirrel monkey (primate)

    Squirrel monkey, (genus Saimiri), most abundant primate of riverside forests in the Guianas and the Amazon River basin, distinguished by a circle of black hairless skin around the nose and mouth set against an expressive white face. Their short, soft fur is gray to olive green, with whitish

  • squirrel-cage rotor winding (machine part)

    electric motor: Construction of induction motors: …rotor winding is of the squirrel-cage type where solid conductors in the slots are shorted together at each end of the rotor iron by conducting end rings. In such machines there is no need to insulate the conductors from the iron. For motors up to about 300 kilowatts, the squirrel…

  • squirrelfish (fish)

    Squirrelfish, any of about 70 species of large-eyed, colourful, tropical reef fish of the family Holocentridae (order Beryciformes). Squirrelfish are edible fish found throughout the tropics. They have spiny fins and rough, prickly scales; some also have a sharp spine on each cheek. Most

  • squirting cucumber (plant)

    Squirting cucumber, (Ecballium elaterium), trailing herbaceous plant in the gourd family (Cucurbitaceae). The plant is native to the Mediterranean region but has been introduced to other areas as a garden curiosity for its distinctive explosive fruits. Squirting cucumber contains poisonous

  • squish (physics)

    diesel engine: Fuel-injection technology: …movement of the air, called squish, or both, from the outer edge of the piston toward the centre. Various methods have been employed to create this swirl and squish. Best results are apparently obtained when the air swirl bears a definite relation to the fuel-injection rate. Efficient utilization of the…

  • Sr (chemical element)

    Strontium (Sr), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. It is used as an ingredient in red signal flares and phosphors and is the principal health hazard in radioactive fallout. atomic number 38 atomic weight 87.62 melting point 769 °C (1,416 °F)

  • SR (political party, Russia)

    Socialist Revolutionary Party, Russian political party that represented the principal alternative to the Social-Democratic Workers’ Party during the last years of Romanov rule. Ideological heir to the Narodniki (Populists) of the 19th century, the party was founded in 1901 as a rallying point for

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