bleach
1. A chemical, usually an oxidizing or reducing
agent, used to whiten or increase the brightness
of a material, e.g., paper or paper pulp. See
also: BLEACHING
(1) 2. A solution of chlorine or a similar
chemical. 3. To whiten or increase the brightness
of a material, or to remove stains from paper.
See: BLEACHING (2)
.