/ Dictionary / Index R rocket scientist: Meaning and Definition of Find definitions for: rock'et sci"entist Pronunciation: [key] a specialist in rocketry. an exemplar of keen intelligence, esp. mathematical ability. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rocket salad rocket ship 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