増白ぞうはく Noun Irregular English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru chemistry brightening
蛍光増白剤けいこうぞうはくざい Noun English jmdict 1 noun (common) (futsuumeishi) fluorescent whitening agent;fluorescent brightener;fluorescent bleach See also: 蛍光染料 (けいこうせんりょう)