bleaching

(verb) remove color from. Synonyms: bleach, bleach out, decolor, decolour, decolorize, decolourize, decolorise, decolourise, discolorize, discolourise, discolorise. Example: "The sun bleached the red shirt."

(verb) make whiter or lighter. Synonyms: bleach. Example: "Bleach the laundry."