/ Dictionary / Index F ferrocerium: Meaning and Definition of Find definitions for: fer•ro•ce•ri•um Pronunciation: (fer"ō-sēr'ē-um), [key] — n. an alloy of 65 percent misch metal and 35 percent iron, used in flints for cigarette lighters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ferrocerium (Thesaurus) ferrocene ferrochromium Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language