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"