olefinic

[oh-luh-fin]

o·le·fin

[oh-luh-fin]
noun Chemistry.
any member of the alkene series.
Also, o·le·fine [oh-luh-fin, -feen] .


Origin:
1855–60; < French oléf(iant) (see olefiant gas) + -in2

o·le·fin·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Olefinic is always a great word to know.
So is callithumpian. Does it mean:
a gadget; dingus; thingumbob.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
Collins
World English Dictionary
olefine or olefin (ˈəʊlɪˌfiːn, -fɪn, ˈɒl-, ˈəʊlɪˌfiːn, -fɪn, ˈɒl-)
 
n
other names for alkene
 
[C19: from French oléfiant, ultimately from Latin oleum oil + facere to make]
 
olefin or olefin
 
n
 
[C19: from French oléfiant, ultimately from Latin oleum oil + facere to make]
 
ole'finic or olefin
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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