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pyrene
1[ pahy-reen, pahy-reen ]
/ ˈpaɪ rin, paɪˈrin /
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noun Botany.
a putamen or stone, especially when there are several in a single fruit; a nutlet.
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Origin of pyrene
11830–40; <New Latin pȳrēna<Greek pȳrḗn fruit stone
Words nearby pyrene
Other definitions for pyrene (2 of 2)
pyrene2
[ pahy-reen ]
/ ˈpaɪ rin /
noun Chemistry.
a polycyclic, aromatic crystalline hydrocarbon, C16H10, consisting of four fused benzene rings, found in coal tar and believed to be carcinogenic.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use pyrene in a sentence
British Dictionary definitions for pyrene (1 of 2)
pyrene1
/ (ˈpaɪriːn) /
noun
a solid polynuclear aromatic hydrocarbon extracted from coal tar. Formula: C 16 H 10
Word Origin for pyrene
C19: from pyro- + -ene
British Dictionary definitions for pyrene (2 of 2)
pyrene2
/ (ˈpaɪriːn) /
noun
botany any of several small hard stones that occur in a single fruit and contain a single seed each
Word Origin for pyrene
C19: from New Latin pyrena, from Greek purēn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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