BLANCHING, the art or manner of making any thing white. See BLEACHING.
BLANCHING of Iron plates, is performed with aqua-fortis and tin.
BLANCHING of Woollen Stuff, is done with soap, or with chalk, or with sulphur or brimstone.
BLANCHING of Silk, is performed with soap and brimstone.
BLANCHING of Wax, is by exposing it to the sun and dew. See WAX.