We don't have synonyms for whitens yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are whiten, whites and whiteys.
(v) :
(ergative) (To cause) to become white or whiter; to bleach or blanch.
(v) :
(cryptography) To increase the security of an iterated block cipher by steps that combine the data with portions of the key.
(v) :
(statistics) To normalize data so that the covariance matrix becomes the identity matrix; i.e., to remove correlations so each variable has unit variance.
(v) :
(ergative) (To cause) to become white or whiter; to bleach or blanch.
(v) :
(cryptography) To increase the security of an iterated block cipher by steps that combine the data with portions of the key.
(v) :
(statistics) To normalize data so that the covariance matrix becomes the identity matrix; i.e., to remove correlations so each variable has unit variance.