/ Dictionary / Index D disinfect: Meaning and Definition of Find definitions for: dis•in•fect Pronunciation: (dis"in-fekt'), [key] — v.t. to cleanse (rooms, wounds, clothing, etc.) of infection; destroy disease germs in. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disinfect (Thesaurus) disincorporate disinfectant Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language