/ Dictionary / Index N neurofibril: Meaning and Definition of Find definitions for: neu•ro•fi•bril Pronunciation: (noor"u-fī'brul, -fib'rul, nyoor"-), [key] — n. Anat. a fibril of a nerve cell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. neuroepithelium neurofibroma Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language