Square root of a quantity
Square Square (skw[^a]r), a. 1. (Geom.) Having four equal sides and four right angles; as, a square figure. [1913 Webster]

2. Forming a right angle; as, a square corner. [1913 Webster]

3. Having a shape broad for the height, with rectilineal and angular rather than curving outlines; as, a man of a square frame. [1913 Webster]

4. Exactly suitable or correspondent; true; just. [1913 Webster]

She's a most triumphant lady, if report be square to her. --Shak. [1913 Webster]

5. Rendering equal justice; exact; fair; honest; as, square dealing. [1913 Webster]

6. Even; leaving no balance; as, to make or leave the accounts square. [1913 Webster]

7. Leaving nothing; hearty; vigorous. [1913 Webster]

By Heaven, square eaters. More meat, I say. --Beau. & Fl. [1913 Webster]

8. (Naut.) At right angles with the mast or the keel, and parallel to the horizon; -- said of the yards of a square-rigged vessel when they are so braced. [1913 Webster]

Note: Square is often used in self-explaining compounds or combinations, as in square-built, square-cornered, square-cut, square-nosed, etc. [1913 Webster]

{Square foot}, an area equal to that of a square the sides of which are twelve inches; 144 square inches.

{Square knot}, a knot in which the terminal and standing parts are parallel to each other; a reef knot. See Illust. under {Knot}.

{Square measure}, the measure of a superficies or surface which depends on the length and breadth taken conjointly. The units of square measure are squares whose sides are the linear measures; as, square inches, square feet, square meters, etc.

{Square number}. See {Square}, n., 6.

{Square root of a number} or {Square root of a quantity} (Math.), that number or quantity which, multiplied by itself, produces the given number or quantity.

{Square sail} (Naut.), a four-sided sail extended upon a yard suspended by the middle; sometimes, the foresail of a schooner set upon a yard; also, a cutter's or sloop's sail boomed out. See Illust. of {Sail}.

{Square stern} (Naut.), a stern having a transom and joining the counter timbers at an angle, as distinguished from a round stern, which has no transom.

{Three-square}, {Five-square}, etc., having three, five, etc., equal sides; as, a three-square file.

{To get square with}, to get even with; to pay off. [Colloq.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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• Square root of a number — Square Square (skw[^a]r), a. 1. (Geom.) Having four equal sides and four right angles; as, a square figure. [1913 Webster] 2. Forming a right angle; as, a square corner. [1913 Webster] 3. Having a shape broad for the height, with rectilineal and… …   The Collaborative International Dictionary of English

• Square root of 2 — The square root of 2, also known as Pythagoras constant, often denoted by:sqrt{2} or √2but can also be written as:2^{1/2},,is the positive real number that, when multiplied by itself, gives the number 2. Its numerical value approximated to 65… …   Wikipedia

• Biquadratic root of a number — Biquadratic Bi quad*rat ic, a. [Pref. bi + quadratic: cf. F. biquadratique.] (Math.) Of or pertaining to the biquadrate, or fourth power. [1913 Webster] {Biquadratic equation} (Alg.), an equation of the fourth degree, or an equation in some term… …   The Collaborative International Dictionary of English

• square root — n. the number or quantity which when squared will produce a given number or quantity [3 is the square root of 9] …   English World dictionary

• square root — noun a number that when multiplied by itself equals a given number (Freq. 1) • Hypernyms: ↑root * * * noun : a factor of a number that when squared gives the number either +3 or 3 is the square root of 9 * * * a quantity of which a given quantity …   Useful english dictionary

• Root of unity — The 5th roots of unity in the complex plane In mathematics, a root of unity, or de Moivre number, is any complex number that equals 1 when raised to some integer power n. Roots of unity are used in many branches of mathematics, and are especially …   Wikipedia

• square root — /skwɛə ˈrut/ (say skwair rooht) noun Mathematics the quantity of which a given quantity is the square: 4 is the square root of 16 …   Australian English dictionary

• square root — a quantity of which a given quantity is the square: The quantities +6 and 6 are square roots of 36 since (+6)×(+6)=36 and ( 6)×( 6)=36. [1550 60] * * * ▪ mathematics       in mathematics, a factor of a number that, when multiplied by itself,… …   Universalium

• square root — square′ root′ n. math. a quantity of which a given quantity is the square: The quantities +6 and −6 are square roots of 36 since (+6)x(+6)=36 and (−6)x(−6)=36[/ex] • Etymology: 1550–60 …   From formal English to slang

• imaginary part of a complex number — noun the part of a complex number that has the square root of 1 as a factor • Syn: ↑imaginary part • Hypernyms: ↑pure imaginary number • Part Holonyms: ↑complex number, ↑complex quantity, ↑imaginary number, ↑ …   Useful english dictionary