pyrene
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Related to Pyrenes: Pyrenees, Pyrenees Mountains
py·rene 1
(pī′rēn′, pī-rēn′)n.
The stone of certain fruits, such as the cherry.
[New Latin pȳrēna, from Greek purēn.]
py·rene 2
(pī′rēn′, pī-rēn′)n.
A carcinogenic, colorless, solid polycyclic aromatic hydrocarbon, C16H10, exhibiting blue fluorescence in solution, used in the manufacture of dyes, pesticides, and pharmaceuticals, and as an analytical reagent.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
pyrene
(ˈpaɪriːn)n
(Elements & Compounds) a solid polynuclear aromatic hydrocarbon extracted from coal tar. Formula: C16H10
[C19: from pyro- + -ene]
pyrene
(ˈpaɪriːn)n
(Botany) botany any of several small hard stones that occur in a single fruit and contain a single seed each
[C19: from New Latin pyrena, from Greek purēn]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun | 1. | pyrene - a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar hydrocarbon - an organic compound containing only carbon and hydrogen |
2. | pyrene - the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it nutlet - a small nut |
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