/ Dictionary / Index P phenocopy: Meaning and Definition of Find definitions for: phe•no•cop•y Pronunciation: (fē'nu-kop"ē), [key] — pl. -cop•ies. the observed result of an environmentally induced, nongenetic alteration of a phenotype to a form that resembles the expression of a known genetic mutation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenobarbital phenocryst 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