hydrogenate

From hydrogen +‎ -ate (verb-forming suffix).

• (UK) IPA^(key): /haɪˈdɹɒdʒəneɪt/, /ˈhaɪdɹədʒəneɪt/
• (US) IPA^(key): /haɪˈdɹɑd͡ʒəneɪt/, /ˈhaɪdɹəd͡ʒəneɪt/

• Audio (US):

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hydrogenate (third-person singular simple present hydrogenates, present participle hydrogenating, simple past and past participle hydrogenated)

1. (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.

• hydrogenated
• hydrogenation