pyrene
1a putamen or stone, especially when there are several in a single fruit; a nutlet.
Origin of pyrene
1Other definitions for pyrene (2 of 2)
a polycyclic, aromatic crystalline hydrocarbon, C16H10, consisting of four fused benzene rings, found in coal tar and believed to be carcinogenic.
Origin of pyrene
2Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use pyrene in a sentence
Pyrenes to the number of 175 are distributed about the departments for combatting electrical fires.
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British Dictionary definitions for pyrene (1 of 2)
/ (ˈpaɪriːn) /
a solid polynuclear aromatic hydrocarbon extracted from coal tar. Formula: C 16 H 10
Origin of pyrene
1British Dictionary definitions for pyrene (2 of 2)
/ (ˈpaɪriːn) /
botany any of several small hard stones that occur in a single fruit and contain a single seed each
Origin of pyrene
2Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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