/ Dictionary / Index S Sc.D.Hyg.: Meaning and Definition of Find definitions for: Sc.D.Hyg. Pronunciation: [key] Doctor of Science in Hygiene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sc.D. Sc.D.Med. Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language