/ Dictionary / Index F fluid dynamics: Meaning and Definition of Find definitions for: flu'id dynam'ics Pronunciation: [key] the branch of fluid mechanics dealing with the properties of fluids in motion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fluid drive fluidextract Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language