pyrene
noun (1)
py·rene
| \ ˈpīˌrēn\
plural -s
Definition of pyrene
(Entry 1 of 2)
: the stone of a drupelet (as in the fruit of the huckleberry)
broadly
: a small hard nutlet
pyrene
noun (2)
py·rene
| \ ˈpīˌrēn\
plural -s
Definition of pyrene (Entry 2 of 2)
: 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
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