phthalocyanine
[ thal-uh-sahy-uh-neen, -nin, fthal- ]
/ ˌθæl əˈsaɪ əˌnin, -nɪn, ˌfθæl- /
noun Chemistry.
Also called metal-free phthalocyanine.
a blue-green pigment, C32H18N8, derived from phthalic anhydride.
any of the group of blue or green pigments produced by the interaction of metal-free phthalocyanine and a metal, especially copper: used chiefly in the manufacture of enamels, printing inks, and automotive finishes.
Origin of phthalocyanine
Words nearby phthalocyanine
phthalein,
phthalic,
phthalic acid,
phthalic anhydride,
phthalin,
phthalocyanine,
phthalocyanine blue,
phthalocyanine green,
phthiocol,
phthiriasis,
phthiriasis pubis
British Dictionary definitions for phthalocyanine
phthalocyanine
/ (ˌθæləʊˈsaɪəˌniːn, ˌθeɪ-, ˌfθæl-) /
noun
a cyclic blue-green organic pigment. Formula: (C 6 H 4 C 2 N) 4 N 4 H 4
any of a class of compounds derived by coordination of this compound with a metal atom. They are blue or green pigments used in printing inks, plastics, and enamels
Word Origin for phthalocyanine
C20: from
phthal- (see
phthalein) +
cyanine
Medical definitions for phthalocyanine
phthalocyanine
[ thăl′ō-sī′ə-nēn′ ]
n.
Any of several stable, light-fast, blue or green organic pigments used in enamels and plastics.