pyrene

1 of 2

noun (1)

py·​rene

ˈpīˌrēn

plural -s

: the stone of a drupelet (as in the fruit of the huckleberry)

broadly : a small hard nutlet

pyrene

2 of 2

noun (2)

py·​rene

ˈpīˌrēn

plural -s

: a pale yellow crystalline hydrocarbon C₁₆H₁₀ that fluoresces blue in solution, that is obtained from coal-tar distillation, from petroleum cracking, and from stupp and is also made synthetically, and that consists structurally of a cluster of four compactly fused benzene rings

Word History

Etymology

Noun (1)

New Latin pyrena

Noun (2)

pyr- + -ene

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