1. (Geom.) Having four equal sides and four right angles; as,

a square figure.

2. Forming a right angle; as, a square corner.

3. Having a shape broad for the height, with rectilineal and

angular rather than curving outlines; as, a man of a

square frame.

4. Exactly suitable or correspondent; true; just.

She's a most truimphant lady, if report be square to

her. --Shak.

5. Rendering equal justice; exact; fair; honest, as square

dealing.

6. Even; leaving no balance; as, to make or leave the

accounts square.

7. Leaving nothing; hearty; vigorous.

By Heaven, square eaters. More meat, I say. --Beau.

& Fl.

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.

Note: Square is often used in self-explaining compounds or

combination, as in square-built, square-cornered,

square-cut, square-nosed, etc.

{Square foot}, an area equal to that of a square the sides of

which are twelwe 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 {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.]

To modify or qualify with respect to quantity; to fix or

express the quantity of; to rate.

quantitas, fr. quantus bow great, how much, akin to quam bow,

E. how, who. See {Who}.]

1. The attribute of being so much, and not more or less; the

property of being measurable, or capable of increase and

decrease, multiplication and division; greatness; and more

concretely, that which answers the question ``How much?'';

measure in regard to bulk or amount; determinate or

comparative dimensions; measure; amount; bulk; extent;

size. Hence, in specific uses:

(a) (Logic) The extent or extension of a general

conception, that is, the number of species or

individuals to which it may be applied; also, its

content or comprehension, that is, the number of its

constituent qualities, attributes, or relations.

(b) (Gram.) The measure of a syllable; that which

determines the time in which it is pronounced; as, the

long or short quantity of a vowel or syllable.

(c) (Mus.) The relative duration of a tone.

2. That which can be increased, diminished, or measured;

especially (Math.), anything to which mathematical

processes are applicable.

Note: Quantity is discrete when it is applied to separate

objects, as in number; continuous, when the parts are

connected, either in succession, as in time, motion,

etc., or in extension, as by the dimensions of space,

viz., length, breadth, and thickness.

3. A determinate or estimated amount; a sum or bulk; a

certain portion or part; sometimes, a considerable amount;

a large portion, bulk, or sum; as, a medicine taken in

quantities, that is, in large quantities.

The quantity of extensive and curious information

which he had picked up during many months of

desultory, but not unprofitable, study. --Macaulay.

{Quantity of estate} (Law), its time of continuance, or

degree of interest, as in fee, for life, or for years.

--Wharton (Law Dict. )

{Quantity of matter}, in a body, its mass, as determined by

its weight, or by its momentum under a given velocity.

{Quantity of motion} (Mech.), in a body, the relative amount

of its motion, as measured by its momentum, varying as the

product of mass and velocity.

{Known quantities} (Math.), quantities whose values are

given.

{Unknown quantities} (Math.), quantities whose values are

sought.

imaginaire.]

Existing only in imagination or fancy; not real; fancied;

visionary; ideal.

Wilt thou add to all the griefs I suffer Imaginary ills

and fancied tortures? --Addison.

{Imaginary calculus} See under {Calculus}.

{Imaginary expression} or {quantity} (Alg.), an algebraic

expression which involves the impossible operation of

taking the square root of a negative quantity; as,

[root]-9, a + b [root]-1.

{Imaginary points}, {lines}, {surfaces}, etc. (Geom.),

points, lines, surfaces, etc., imagined to exist, although

by reason of certain changes of a figure they have in fact

ceased to have a real existence.

Syn: Ideal; fanciful; chimerical; visionary; fancied; unreal;

illusive.

n 1: how much there is of something that you can measure [syn: {measure},

{amount}, {quantum}]

2: an adequate or large amount; "he had a quantity of

ammunition"

3: something that has a magnitude and can be represented in

mathematical expressions by a constant or a variable

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