/ Dictionary / Index F ferroaluminum: Meaning and Definition of Find definitions for: fer•ro•a•lu•mi•num Pronunciation: (fer"ō-u-l'mu-num), [key] — n. a ferroalloy containing up to 80 percent aluminum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ferroalloy ferrocement Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language