English Dictionary

brightener

名詞

One who or that which brightens. / A chemical agent that absorbs ultraviolet and violet light and re-emits blue light by fluorescence, used to make fabric or paper look whiter.

日本語の意味

明るくするもの（物を輝かせる/明るくする作用を持つもの） / 蛍光増白剤：紫外線や藤紫色の光を吸収し、青色の光を蛍光で再放射して、布や紙をより白く見せるために用いられる化学薬品

The new window film acted as a brightener, flooding the room with soft, natural light.

新しい窓フィルムは明るくするものとして働き、柔らかな自然光で部屋を満たした。

意味（1）

One who or that which brightens.

Country air in the fields, or in gardens, when breathed at proper hours, is an excellent bracer of the nerves, and a sure brightener of the complexion.

意味（2）

A chemical agent that absorbs ultraviolet and violet light and re-emits blue light by fluorescence, used to make fabric or paper look whiter.

意味（3）

(metallurgy) Any substance added to an electrolytic bath to yield a brighter electroplated surface.

brighteners （ plural ）