Definitions for: Quantity

[n] how much there is of something that you can measure
[n] an adequate or large amount; "he had a quantity of ammunition"
[n] something that has a magnitude and can be represented in mathematical expressions by a constant or a variable

Webster (1913) Definition: Quan"ti*ty, v. t. [L. quantus now much + -fy.]
To modify or qualify with respect to quantity; to fix or
express the quantity of; to rate.

Quan"ti*ty, n.; pl. Quantities. [F. quantite, L.
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

Unknown quantities (Math.), quantities whose values are

Synonyms: amount, measure, quantum

See Also: abstraction, abundance, amount, amount, binomial, chance, concept, conception, constant, constant quantity, construct, copiousness, cordage, definite quantity, economic value, fundamental measure, fundamental quantity, indefinite quantity, interval, linear measure, long measure, magnetisation, magnetization, mathematical product, numerical quantity, octane number, octane rating, operand, parameter, period of play, play, playing period, probability, product, proof, proportional, quantum, relative quantity, sum, system of measurement, teemingness, term, time interval, time unit, total, unit of time, value, variable, variable quantity, volume

Famous Quotes Containing Quantity:

In bodies moved, the motion is received, increased, diminished, or lost, according to the relations of the quantity of matter and velocity; each diversity is uniformity, each change is constancy.

-- Charles de Secondat (French Philosopher)

An American of the present day reading his Sunday newspaper in a state of lazy collapse is one of the most perfect symbols of the triumph of quantity over quality that the world has yet seen.

-- Irving Babbitt (American Critic)

Quantity in food is more to be regarded than quality. A full meal is a great enemy both to study and industry.

-- Samuel Richardson (English Novelist)

There's not a good poet I know who has not at the beck and call of his memory a vast quantity of poetry that composes his mental library.

-- Anthony Hecht (American Poet)

Everyone is looking for the sure thing. They are looking to hedge their bet. They think the way to do that is to go with a proven quantity, a remake of something you have already seen. That is their mindset.

-- Leonard Maltin (American Critic)

It is not the quantity but the quality of knowledge which determines the mind's dignity.

-- William Ellery Channing (American Writer)

It is quality rather than quantity that matters.

-- Lucius Annaeus Seneca (Roman Statesman)

But in truth, should I meet with gold or spices in great quantity, I shall remain till I collect as much as possible, and for this purpose I am proceeding solely in quest of them.

-- Christopher Columbus (Italian Explorer)

Gold, on the contrary, though of little use compared with air or water, will exchange for a great quantity of other goods.

-- David Ricardo (British Economist)

I am not one of the great composers. All the great have produced enormously. There is everything in their work - the best and the worst, but there is always quantity. But I have written relatively little.

-- Maurice Ravel (French Composer)

In the twelve months immediately preceding the outbreak; of war, the quantity of spirits, both domestic and imported released for sale in Canada, amounted to over three and a half million proof gallons.

-- William Lyon Mackenzie King (Canadian Politician)

Value denotes a relation reciprocally existing between two objects, and the precise relation which it denotes is the quantity of the one which can be obtained in exchange for a given quantity of the other.

-- Nassau William Senior (English Economist)

If I cannot overwhelm with my quality, I will overwhelm with my quantity.

-- Emile Zola (French Novelist)

It is the quality rather than the quantity that matters.

-- Lucius Annaeus Seneca (Roman Statesman)

Each year, therefore, a dollar spent on alcoholic beverages has purchased a smaller quantity.

-- William Lyon Mackenzie King (Canadian Politician)

If the quantity of labour realized in commodities, regulate their exchangeable value, every increase of the quantity of labour must augment the value of that commodity on which it is exercised, as every diminution must lower it.

-- David Ricardo (British Economist)

The belief is growing on me that the disease is communicated by the bite of the mosquito... She always injects a small quantity of fluid with her bite - what if the parasites get into the system in this manner.

-- Ronald Ross (Scottish Scientist)

Everyone who comes out does a very foolish thing in bringing such a quantity of clothes that he never wants.

-- William John Wills (English Scientist)

I have known a vast quantity of nonsense talked about bad men not looking you in the face. Don't trust that conventional idea. Dishonesty will stare honesty out of countenance any day in the week, if there is anything to be got by it.

-- Charles Dickens (English Novelist)

What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them.

-- Hermann von Helmholtz (German Physicist)

Badness you can get easily, in quantity; the road is smooth, and it lies close by, But in front of excellence the immortal gods have put sweat, and long and steep is the way to it.

-- Hesiod (Greek Poet)

Though I have no productive worth, I have a certain value as an indestructible quantity.

-- Alice James (American Writer)

Simplicity is the final achievement. After one has played a vast quantity of notes and more notes, it is simplicity that emerges as the crowning reward of art.

-- Frederic Chopin (Polish Composer)

Greatness, generally speaking, is an unusual quantity of a usual quality grafted upon a common man.

-- William Allen White (American Editor)

I consider it top priority to improve water quality and increase water quantity in my community.

-- Joe Baca (American Politician)

Wales was in ancient times divided into three parts nearly equal, consideration having been paid, in this division, more to the value than to the just quantity or proportion of territory.

-- Giraldus Cambrensis (Welsh Clergyman)

If a commodity were in no way useful, - in other words, if it could in no way contribute to our gratification, - it would be destitute of exchangeable value, however scarce it might be, or whatever quantity of labour might be necessary to procure it.

-- David Ricardo (British Economist)

The first requisite of a sound monetary system is that it put the least possible power over the quantity or quality of money in the hands of the politicians.

-- Henry Hazlitt (American Philosopher)

Because of my age and because there's more work on the small screen. What it's missing in quality it makes up for in quantity. From an actor's selfish point of view.

-- Cesar Romero (American Actor)

The law in question asserts, that the quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished.

-- Hermann von Helmholtz (German Physicist)

The greatest felony in the news business today is to be behind, or to miss a big story. So speed and quantity substitute for thoroughness and quality, for accuracy and context.

-- Carl Bernstein (American Journalist)

Talent is a matter of quantity. Talent does not write on page, it writes three hundred.

-- Jules Renard (French Dramatist)

Gold and silver, like other commodities, have an intrinsic value, which is not arbitrary, but is dependent on their scarcity, the quantity of labour bestowed in procuring them, and the value of the capital employed in the mines which produce them.

-- David Ricardo (British Economist)

It's difficult to get started-when it comes to dealing with an unknown quantity, people are reluctant to trust their own opinion. It helps if two or three people give you a boost.

-- Lyle Lovett (American Musician)

We can make a commitment to promote vegetables and fruits and whole grains on every part of every menu. We can make portion sizes smaller and emphasize quality over quantity. And we can help create a culture - imagine this - where our kids ask for healthy options instead of resisting them.

-- Michelle Obama (American First Lady)

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