pyrene

About 0.28 uses per million words.

Meaning

1. noun A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar
2. noun Alternative form of pyrena.

Similar words

benzo triphenylene tetraphenylene pentaphene pyrenylene dibenzopyrene benzopyrene chrysene pyrenol phenanthrene

Often followed by

and in is by to was hydroxylase diol metabolism