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

Examples from the Web for quantifying

Contemporary Examples of quantifying

Historical Examples of quantifying

  • It may, indeed, be cited (as I have already remarked) in support of Hamiltons favourite precept of quantifying the predicate.


    George Grote

British Dictionary definitions for quantifying


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 for quantify

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 quantifying



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