Search Result for "whitening": 
Wordnet 3.0

NOUN (1)

1. changing to a lighter color;
[syn: whitening, lightening]

The Collaborative International Dictionary of English v.0.48:

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]
The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

whitening n 1: changing to a lighter color [syn: whitening, lightening]
Moby Thesaurus II by Grady Ward, 1.0:

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