Quantifier vs. Determiner — What's the Difference?

(Logic) An operator that limits the variables of a proposition, as some or all.

A determiner, also called determinative (abbreviated DET), is a word, phrase, or affix that occurs together with a noun or noun phrase and serves to express the reference of that noun or noun phrase in the context. That is, a determiner may indicate whether the noun is referring to a definite or indefinite element of a class, to a closer or more distant element, to an element belonging to a specified person or thing, to a particular number or quantity, etc.

(Linguistics) A word or other constituent that expresses a quantity or contrast in quantity, as some, all, or many.

One that determines.

(grammar) A word, such as all or many, that expresses the quantity of a related noun.

(Grammar) A word belonging to a group of noun modifiers, which includes articles, demonstratives, possessive adjectives, and words such as any, both, or whose, and, in English, occupying the first position in a noun phrase or following another determiner.

(logic) An operator, such as the universal quantifier (written as ∀) or the existential quantifier (∃), used in predicate calculus to indicate the degree that predicate is true for a specified set.

(grammar) A member of a class of words functioning in a noun phrase to identify or distinguish a referent without describing or modifying it.

(computing) A symbol or symbols in a regular expression indicating the number of characters to be matched.

(grammar) A dependent function in a noun phrase marking the NP as definite or indefinite. This function is usually filled by words in the determinative class but may be filled by other elements such as a genitive pronoun.

(logic) a word (such as `some' or `all' or `no') that binds the variables in a logical proposition

Something (some input factor, a nonsentient agent) that determines, or helps someone to determine, something else.

(grammar) a word that expresses a quantity (as `fifteen' or `many')

Someone (a sentient agent) who determines; a decider of a disposition.

One who, or that which, determines or decides.

An argument that is conclusive

One of a limited class of noun modifiers that determine the referents of noun phrases

A determining or causal element or factor;