hydrogenation

[hahy-druh-juh-neyt, hahy-droj-uh-]

hy·dro·gen·ate

[hahy-druh-juh-neyt, hahy-droj-uh-]
verb (used with object), hy·dro·gen·at·ed, hy·dro·gen·at·ing.
to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).


Origin:
1800–10; hydrogen + -ate1

hy·dro·gen·a·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Hydrogenation is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a chattering or flighty, light-headed person.
Collins
World English Dictionary
hydrogenate, hydrogenize or hydrogenise (ˈhaɪdrədʒɪˌneɪt, haɪˈdrɒdʒɪˌneɪt)
 
vb
to undergo or cause to undergo a reaction with hydrogen: to hydrogenate ethylene
 
hydrogenize, hydrogenize or hydrogenise
 
vb
 
hydrogenise, hydrogenize or hydrogenise
 
vb
 
hydrogen'ation, hydrogenize or hydrogenise
 
n
 
hydrogeni'zation, hydrogenize or hydrogenise
 
n
 
hydrogeni'sation, hydrogenize or hydrogenise
 
n
 
'hydrogenator, hydrogenize or hydrogenise
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

hydrogenation hy·dro·gen·a·tion (hī'drə-jə-nā'shən, hī-drŏj'ə-)
n.
The addition of hydrogen to a compound, especially to solidify an unsaturated fat or fatty acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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