/ Dictionary / Index P phenetics: Meaning and Definition of Find definitions for: phe•net•ics Pronunciation: (fi-net'iks), [key] — n. (used with a sing. v.) Biol. classification of organisms based on measurable similarities and differences rather than genetic makeup and evolutionary descent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenetic phenetidine Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language