verb (used with object), quan·ti·fied, quan·ti·fy·ing.
- to determine, indicate, or express the quantity of.
- Logic. to make explicit the quantity of (a proposition).
- to give quantity to (something regarded as having only quality).
verb -fies, -fying or -fied (tr)
- to discover or express the quantity of
- logic to specify the quantity of (a term) by using a quantifier, such as all, some, or no
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.