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单词 optical brightener
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optical brightener
optical brightener n. a fluorescent substance used to enhance the brightness of white fabric, paper, etc., esp. such a substance as a component of laundry detergent.
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1954 Times of India 10 Apr. (Ahmedabad Textile Industry Res. Assoc. Suppl.) p. iii (advt.) Godrej Washing Soap (Grains), contain ‘Optical Brightener’ to wash quickly and effortlessly.
2004 Jrnl. Coatings Technol. & Res. (Nexis) 1 52 Dolly Blue, Robin Blue, and Reckitt's Blue are still in use today, although they have been superseded to a large degree by optical brighteners.
extracted from opticaladj.n.
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更新时间:2024/12/24 21:57:19