01 n. One who, or that which, whitens; a bleaching agent; a bleach; a bleacher; a blancher; a whitewasher.
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1.
One who, or that which, whitens; a bleaching agent; a bleach; a bleacher; a blancher; a whitewasher.
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2.
A chemical used as an adjunct to laundering white cloth, which makes white cloth appear whiter. A bluing agent.