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quantify

[kwon-tuh-fahy]
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verb (used with object), quan·ti·fied, quan·ti·fy·ing.
  1. to determine, indicate, or express the quantity of.
  2. Logic. to make explicit the quantity of (a proposition).
  3. to give quantity to (something regarded as having only quality).

Origin of quantify

1830–40; < Medieval Latin quantificāre, equivalent to Latin quant(us) how much + -ificāre -ify
Related formsquan·ti·fi·a·ble, adjectivequan·ti·fi·a·bly, adverbquan·ti·fi·ca·tion, nounnon·quan·ti·fi·a·ble, adjectiveun·quan·ti·fi·a·ble, adjectiveun·quan·ti·fied, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for unquantifiable

unquantifiable

adjective
  1. not capable of being quantified

quantify

verb -fies, -fying or -fied (tr)
  1. to discover or express the quantity of
  2. logic to specify the quantity of (a term) by using a quantifier, such as all, some, or no
Derived Formsquantifiable, adjectivequantification, noun

Word Origin

C19: from Medieval Latin quantificāre, from Latin quantus how much + facere to make
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unquantifiable

adj.

1888, from un- + quantifiable (see quantify). Related: Unquantifiably.

quantify

v.

1840, from Medieval Latin quantificare, from Latin quantus "as much," correlative pronomial adjective (see quantity) + facere "to make" (see factitious). Literal sense of "determine the quantity of, measure" is from 1878. Related: Quantified; quantifying.

Online Etymology Dictionary, © 2010 Douglas Harper