- phthal|o|cy|a|nine
- phthal|o|cy|a|nine «THAL uh SY uh neen, -nihn; FTHAL-», noun.1. a blue-green crystalline compound derived from phthalic anhydride. Formula: C32H18N82. any one of various blue or green pigments derived by the reaction of this compound with a metal.
Useful english dictionary. 2012.