/ Dictionary / Index B bleach: Meaning and Definition of Find definitions for: bleach Pronunciation: (blēch), [key] — v.t. to make whiter or lighter in color, as by exposure to sunlight or a chemical agent; remove the color from. to convert (the silver image of a negative or print) to a silver halide, either to remove the image or to change its tone. —v.i. to become whiter or lighter in color. —n. a bleaching agent. degree of paleness achieved in bleaching. an act of bleaching. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bleach (Thesaurus) -ble bleacher Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language