Answer:
noun
plural noun: determiners
1.
a person or thing that determines or decides something.
2.
GRAMMAR
a modifying word that determines the kind of reference a noun or noun group has, for example a, the, every.
Step-by-step explanation:
A determiner, also called determinative, 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.
hope that makes sense for you