/ Dictionary / Index P para-dichlorobenzene: Meaning and Definition of Find definitions for: par•a-di•chlo•ro•ben•zene Pronunciation: (par"u-dī-klôr"u-ben'zēn, -ben-zēn', -klōr"-), [key] — n. Chem. a white, crystalline, volatile, water-insoluble solid, CHCl, of the benzene series, having a penetrating odor: used chiefly as a moth repellent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parade rest paradiddle Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language