/ Dictionary / Index D dehydrogenate: Meaning and Definition of Find definitions for: de•hy•dro•gen•ate Pronunciation: (dē-hī'dru-ju-nāt", dē"hī-droj'u-), [key] — -at•ed, -at•ing. to remove hydrogen from (a compound). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dehydrogenate (Thesaurus) dehydrogenase dehydrogenize Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language