/ Dictionary / Index F fibrilliform: Meaning and Definition of Find definitions for: fi•bril•li•form Pronunciation: (fī-bril'u-fôrm", fi-), [key] — adj. of the form of a fibril. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fibrillation fibrin Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language