Pronunciation: (di-tûr'mu-nur), [key]
1. a person or thing that determines.
2. Gram.a member of a subclass of English limiting adjectival words that usually precede descriptive adjectives and include the articles the, a, and an, and any words that may substitute for them, as your, their, some, and each.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.