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olefin

[oh-luh-fin] /ˈoʊ lə fɪn/
noun, Chemistry
1.
any member of the alkene series.
Also, olefine
[oh-luh-fin, -feen] /ˈoʊ lə fɪn, -ˌfin/ (Show IPA)
.
Origin
1855-1860
1855-60; < French oléf(iant) (see olefiant gas) + -in2
Related forms
olefinic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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olefinic in Medicine

olefin o·le·fin (ō'lə-fĭn)
n.
Any of a group of unsaturated open chain hydrocarbons possessing one or more double bonds, the simplest of which is ethylene.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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olefinic in Science
olefin
  (ō'lə-fĭn)   
See alkene.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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