/ Dictionary / Index F fluorochrome: Meaning and Definition of Find definitions for: fluor•o•chrome Pronunciation: (floor'u-krōm", flôr'-, flōr'-), [key] — n. Histol. any of a group of fluorescent dyes used to label biological material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fluorochrome (Thesaurus) fluorocarbon fluorography Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language