bleaching
漂白; 漂白的; 變白
Bleach v. t. [imp. & p. p. Bleached p. pr. & vb. n. Bleaching.] To make white, or whiter; to remove the color, or stains, from; to blanch; to whiten.
The destruction of the coloring matters attached to the bodies to be bleached is effected either by the action of the air and light, of chlorine, or of sulphurous acid. --Ure.
Immortal liberty, whose look sublime
Hath bleached the tyrant's cheek in every varying clime. --Smollett.
Bleach·ing, n. The act or process of whitening, by removing color or stains; esp. the process of whitening fabrics by chemical agents.
Bleaching powder, a powder for bleaching, consisting of chloride of lime, or some other chemical or chemicals.
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