Main Entry: hy·dro·ge·nate

Pronunciation: \hī-ˈdräj-ə-ˌnāt, ˈhī-drə-jə-\

Function: transitive verb

Inflected Form(s): hy·dro·ge·nat·ed; hy·dro·ge·nat·ing

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

—hy·dro·ge·na·tion \hī-ˌdräj-ə-ˈnā-shən, ˌhī-drə-jə-\ noun