whitening n 1: changing to a lighter color [syn: {whitening}, {lightening}]
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. [1913 Webster]
Whitening \Whit"en*ing\, n. 1. The act or process of making or becoming white. [1913 Webster] 2. That which is used to render white; whiting. [R.] [1913 Webster] {Whitening stone}, a sharpening and polishing stone used by cutlers; also, a finishing grindstone of fine texture. [1913 Webster]
23 Moby Thesaurus words for "whitening": achromatization, albification, blanching, bleach, bleaching, calcimine, decoloration, decolorization, decolorizing, discoloration, etiolation, fading, frosting, grizzling, lightening, madder bleach, market bleach, paling, pipe clay, silvering, whitewash, whitewashing, whiting