noun, plural quantities.
a particular or indefinite amount of anything: a small quantity of milk; the ocean's vast quantity of fish.
an exact or specified amount or measure: Mix the ingredients in the quantities called for.
a considerable or great amount: to extract ore in quantity.
the property of magnitude involving comparability with other magnitudes.
something having magnitude, or size, extent, amount, or the like.
magnitude, size, volume, area, or length.
Music. the length or duration of a note.
Logic. the character of a proposition as singular, universal, particular, or mixed, according to the presence or absence of certain kinds of quantifiers.
that amount, degree, etc., in terms of which another is greater or lesser.
Prosody, Phonetics. the relative duration or length of a sound or a syllable, with respect to the time spent in pronouncing it; length.
Law. the nature of an estate as affected by its duration in time.

1250–1300; Middle English quantite < Old French < Latin quantitās, equivalent to quant(us) how much + -itās -ity

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To quantities
World English Dictionary
quantity (ˈkwɒntɪtɪ)
n , pl -ties
1.  a.  a specified or definite amount, weight, number, etc
 b.  (as modifier): a quantity estimate
2.  the aspect or property of anything that can be measured, weighed, counted, etc
3.  a large or considerable amount
4.  maths an entity having a magnitude that may be denoted by a numerical expression
5.  physics a specified magnitude or amount; the product of a number and a unit
6.  logic the characteristic of a proposition dependent on whether it is a universal or particular statement, considering all or only part of a class
7.  prosody the relative duration of a syllable or the vowel in it
usage  The use of a plural noun after quantity of as in a large quantity of bananas was formerly considered incorrect, but is now acceptable

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

early 14c., from O.Fr. quantite (Fr. quantité), from L. quantitatem (nom. quantitas, coined as a loan-translation of Gk. posotes) "relative greatness or extent," from quantus "how much," from quam "how, how much."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
quantity   (kwŏn'tĭ-tē)  Pronunciation Key 
Something, such as a number or symbol that represents a number, on which a mathematical operation is performed.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature