| 1. | to make whiter or lighter in color, as by exposure to sunlight or a chemical agent; remove the color from. |
| 2. | Photography. to convert (the silver image of a negative or print) to a silver halide, either to remove the image or to change its tone. |
| 3. | to become whiter or lighter in color. |
| 4. | a bleaching agent. |
| 5. | degree of paleness achieved in bleaching. |
| 6. | an act of bleaching. |
