/ Dictionary / Index P perhydrogenize: Meaning and Definition of Find definitions for: per•hy•dro•gen•ize Pronunciation: (pur-hī'dru-ju-nīz", pûr"hī-droj'u-), [key] — -ized, -iz•ing. perhydrogenate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perhydrogenate peri Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language