Search Result for "hydrogenation": 
Wordnet 3.0

NOUN (1)

1. a chemical process that adds hydrogen atoms to an unsaturated oil;
- Example: "food producers use hydrogenation to keep fat from becoming rancid"



The Collaborative International Dictionary of English v.0.48:

Hydrogenation \Hy`dro*gen*a"tion\, n. (Chem.)
   The act of combining with hydrogen, or the state of being so
   combined.
   [1913 Webster]


WordNet (r) 3.0 (2006):

hydrogenation
    n 1: a chemical process that adds hydrogen atoms to an
         unsaturated oil; "food producers use hydrogenation to keep
         fat from becoming rancid"