/ Dictionary / Index F fibrolite: Meaning and Definition of Find definitions for: fi•bro•lite Pronunciation: (fī'bru-līt"), [key] — n. Mineral. sillimanite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fibroin fibroma Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language