/ Dictionary / Index F fulminating powder: Meaning and Definition of Find definitions for: ful'minating pow"der Pronunciation: [key] powder that explodes by percussion. a fulminate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fulminating compound fulmination Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language