whitening

• POS: Noun
• HYPHEN: whit=en=ing

CIDE DICTIONARY

whitening, n. 

•  The act or process of making or becoming white.  [1913 Webster]
•  That which is used to render white; whiting.  [1913 Webster]

Whitening stone, a sharpening and polishing stone used by cutlers; also, a finishing grindstone of fine texture.

THESAURUS

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