quantify

[kwon-tuh-fahy]
verb (used with object), quantified, quantifying.
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:
1830–40; < Medieval Latin quantificāre, equivalent to Latin quant(us) how much + -ificāre -ify

quantifiable, adjective
quantifiably, adverb
quantification, noun
nonquantifiable, adjective
unquantifiable, adjective
unquantified, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
quantify (ˈkwɒntɪˌfaɪ)
 
vb , -fies, -fying, -fied
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
 
[C19: from Medieval Latin quantificāre, from Latin quantus how much + facere to make]
 
'quantifiable
 
adj
 
quantifi'cation
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

quantify
c.1840, as a term in logic, from M.L. quantificare, from L. quantus "how much" + facere "to make" (see factitious). Lit. sense of "determine the quantity of, measure" is from 1878.
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica
Encyclopedia

quantification

in logic, the attachment of signs of quantity to the predicate or subject of a proposition. The universal quantifier, symbolized by (-) or (-), where the blank is filled by a variable, is used to express that the formula following holds for all values of the particular variable quantified. The existential quantifier, symbolized (-), expresses that the formula following holds for some (at least one) value of that quantified variable.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Seems there's a lesson here to carry with us into a future of personal
  quantification.
Quantification of the audience made it possible for broadcasters to sell
  viewers as a commodity, in thousand-unit bundles.
Of course, scientists are still in the early stages of quantification.
The quantification of relationships and networks does well here.
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