Hypertext Webster Gateway: "whitener"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Whitener \Whit"en*er\, n.
One who, or that which, whitens; a bleacher; a blancher; a
whitewasher.
From WordNet (r) 1.7 (wn)
whitener
n : an agent that makes things white or colorless [syn: {bleaching
agent}, {bleach}, {blanching agent}]
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