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noun quan·ti·ty \ˈkwän-tə-tē\

Simple Definition of quantity

  • : an amount or number of something

  • : a large amount or number of something

Full Definition of quantity

plural quan·ti·ties

  1. 1 a :  an indefinite amount or number b :  a determinate or estimated amount c :  total amount or number d :  a considerable amount or number —often used in plural <generous quantities of luck — H. E. Putsch>

  2. 2 a :  the aspect in which a thing is measurable in terms of greater, less, or equal or of increasing or decreasing magnitude b :  the subject of a mathematical operation c :  an individual considered with respect to a given situation <an unknown quantity…as attorney general — Tom Wicker>

  3. 3 a :  duration and intensity of speech sounds as distinct from their individual quality or phonemic character; specifically :  the relative length or brevity of a prosodic syllable in some languages (as Greek and Latin) b :  the relative duration or time length of a speech sound or sound sequence

  4. 4 :  the character of a logical proposition as being universal, particular, or singular

Examples of quantity

  1. The wine is made in small quantities.

  2. The boss is worried about quantity as well as quality.

  3. The family buys food in quantity.

Origin of quantity

Middle English quantite, from Anglo-French quantité, from Latin quantitat-, quantitas, from quantus how much, how large; akin to Latin quam how, as, quando when, qui who — more at who

First Known Use: 14th century

Other Mathematics and Statistics Terms

QUANTITY Defined for Kids


noun quan·ti·ty \ˈkwän-tə-tē\

Definition of quantity

plural quan·ti·ties

  1. 1 :  2amount, number <There's a small quantity of fuel left.>

  2. 2 :  a large number or amount <quantities of money> <We buy food in quantity.>

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