1 of 2

noun (1)

plural -s
: the stone of a drupelet (as in the fruit of the huckleberry)
broadly : a small hard nutlet


2 of 2

noun (2)

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


Noun (1)

New Latin pyrena

Noun (2)

pyr- + -ene

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Dictionary Entries Near pyrene

Cite this Entry

“Pyrene.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2024.

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