perylene

About 0.04 uses per million words.

Meaning

1. noun A polycyclic aromatic hydrocarbon consisting of two molecules of naphthalene fused together; it is used in light-emitting diodes.

Similar words

perilene naphthopyrene acenaphthylene dinaphthalene phenalene naphthalene binaphthalene pentaphene polyperylene picene

Often followed by

and in pigments tetracarboxylic is derivatives pigment was red