whitening Meaning, Definition & Usage

  1. noun changing to a lighter color
    lightening.
  2. verb turn white
    white; whiten.
    • This detergent will whiten your laundry

WordNet

Whit"en*ing noun
Definitions
  1. The act or process of making or becoming white.
  2. That which is used to render white; whiting. R.

Webster 1913