/ Dictionary / Index P perchlorinate: Meaning and Definition of Find definitions for: per•chlo•ri•nate Pronunciation: (pur-klôr'u-nāt", -klōr'-), [key] — -nat•ed, -nat•ing. to combine with the maximum proportion of chlorine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perchloride perchloro- Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language