Last Updated
：2025/11/22
brightener
Noun
Japanese Meaning
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
Sense（2）
Sense（3）
（ plural ）
Quizzes for review
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.
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brightener
The new window film acted as a brightener, flooding the room with soft, natural light.
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The new window film acted as a brightener, flooding the room with soft, natural light.
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