/ Dictionary / Index H hygienist: Meaning and Definition of Find definitions for: hy•gien•ist Pronunciation: (hī-jē'nist, -jen'ist, hī'jē-nist), [key] — n. an expert in hygiene. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hygienist (Thesaurus) hygienics Hyginus Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language