/ Dictionary / Index P phthalocyanine green: Meaning and Definition of Find definitions for: phthal'ocy'anine green' Pronunciation: [key] a pigment used in painting, derived from chlorinated copper phthalocyanine and characterized chiefly by its intense green color and permanence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phthalocyanine blue phthiocol Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language