[n] the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent)
[n] the whiteness that results from removing the color from something; "a complete bleach usually requires several applications"
[n] an agent that makes things white or colorless
[v] make whiter or lighter; "bleach the laundry"
[v] remove color from; "The sun bleached the red shirt"