Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To combine with or subject to the action of hydrogen, especially to combine (an unsaturated oil) with hydrogen to produce a solid fat.

from The Century Dictionary.

  • To cause to combine with hydrogen; hydrogenize.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb (Chem.) To hydrogenize.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb chemistry (transitive) to treat something, or react something, with hydrogen; especially to react an unsaturated fat with hydrogen, in the presence of a nickel catalyst, to produce a harder saturated fat

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb combine or treat with or expose to hydrogen; add hydrogen to the molecule of (an unsaturated organic compound)

Etymologies

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