/ Dictionary / Index P phenogram: Meaning and Definition of Find definitions for: phe•no•gram Pronunciation: (fē'nu-gram"), [key] — n. Biol. a diagram depicting taxonomic relationships among organisms based on overall similarity of many characteristics without regard to evolutionary history or assumed significance of specific characters: usually generated by computer. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenocryst phenol Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language