quantifier

[ kwon-tuh-fahy-er ]

noun

1. Logic. an expression, as “all” or “some,” that indicates the quantity of a proposition. Compare existential quantifier, universal quantifier.
2. a word, especially a modifier, that indicates the quantity of something.

quantifier

/ ˈkwɒntɪˌfaɪə /

noun

1. logic
   1. a symbol including a variable that indicates the degree of generality of the expression in which that variable occurs, as (∃ x ) in (∃ x ) Fx , rendered "something is an F", ( x ) in ( x )( Fx → Gx ), rendered "all Fs are Gs"
   2. any other symbol with an analogous interpretation

      the existential quantifier, (∃x), corresponds to the words "there is something, x, such that …"

2. grammar a word or phrase in a natural language having this role, such as some, all, or many in English

Word History and Origins

Origin of quantifier¹

First recorded in 1875–80; quantify + -er ¹

Example Sentences

But as a tracker of election optics, InTrade can be a reliable quantifier of the rise and fall of political fortunes.

From The Daily Beast