/ Dictionary / Index H hydrodynamicist: Meaning and Definition of Find definitions for: hy•dro•dy•nam•i•cist Pronunciation: (hī"drō-dī-nam'u-sist, -di-), [key] — n. a specialist in hydrodynamics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hydrodynamic hydrodynamics Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language