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The Collaborative International Dictionary of English v.0.48 (gcide)

Whiten \Whit"en\, v. i. [imp. & p. p. {Whitened}; p. pr. & vb.
n. {Whitening}.] [OE. whitenen; cf. Icel. hv[imac]tna.]
To grow white; to turn or become white or whiter; as, the
hair whitens with age; the sea whitens with foam; the trees
in spring whiten with blossoms.
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Whiten \Whit"en\, v. t.
To make white; to bleach; to blanch; to whitewash; as, to
whiten a wall; to whiten cloth.
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The broad stream of the Foyle then whitened by vast
flocks of wild swans. --Macaulay.
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Syn: See {Blanch}.
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