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American
[pol -ee-een]
/ ˈpɒl iˌin /
a hydrocarbon containing two or more double bonds, often conjugated.
polyene
British
/ ˈpɒlɪˌiːn /
noun
a chemical compound containing a chain of alternating single and double carbon-carbon bonds
"Collins English Dictionary — Complete & Unabridged"
2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986
© HarperCollins Publishers 1998, 2000, 2003, 2005,
2006, 2007, 2009, 2012
polyene
Scientific
/ pŏl′ ē-ēn′ /
An organic compound containing at least four carbon atoms and at least two double bonds. Numerous naturally occurring plant pigments, such as carotenes, are polyenes.
Etymology
First recorded in 1925–30; poly- + -ene
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any
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They detected pigments in the fossilised shells that belong to the polyene group of chemicals.
From
Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
