Definition of optical brightener in English:

optical brightener

noun

A fluorescent substance added to detergents in order to produce a whitening effect on laundry.
荧光增白剂
Example sentencesExamples
- As a result, the materials that contain optical brighteners appear to reflect more light than is incident upon them and the blue-violet emission tends to offset yellowish reflected light making the material appear whiter.
- Softeners, optical brighteners, and antistatic agents also may be used on some fabrics.
- I have read that long wash times can leach out optical brighteners, but I've never been able to tell the difference between 2 and 6 hours in a cold wash.
- Arches Bright White is created without optical brighteners or bleaches with only the purest well water and cotton fibers, company officials said.

Definition of optical brightener in US English:

optical brightener

nounˈäptəkəl ˈbrītnər

A fluorescent substance added to detergents in order to produce a whitening effect on laundry.
荧光增白剂
Example sentencesExamples
- I have read that long wash times can leach out optical brighteners, but I've never been able to tell the difference between 2 and 6 hours in a cold wash.
- Softeners, optical brighteners, and antistatic agents also may be used on some fabrics.
- Arches Bright White is created without optical brighteners or bleaches with only the purest well water and cotton fibers, company officials said.
- As a result, the materials that contain optical brighteners appear to reflect more light than is incident upon them and the blue-violet emission tends to offset yellowish reflected light making the material appear whiter.

单词	optical brightener
释义	Definition of optical brightener in English: optical brightener noun A fluorescent substance added to detergents in order to produce a whitening effect on laundry. 荧光增白剂 Example sentencesExamples As a result, the materials that contain optical brighteners appear to reflect more light than is incident upon them and the blue-violet emission tends to offset yellowish reflected light making the material appear whiter. Softeners, optical brighteners, and antistatic agents also may be used on some fabrics. I have read that long wash times can leach out optical brighteners, but I've never been able to tell the difference between 2 and 6 hours in a cold wash. Arches Bright White is created without optical brighteners or bleaches with only the purest well water and cotton fibers, company officials said. Definition of optical brightener in US English: optical brightener nounˈäptəkəl ˈbrītnər A fluorescent substance added to detergents in order to produce a whitening effect on laundry. 荧光增白剂 Example sentencesExamples I have read that long wash times can leach out optical brighteners, but I've never been able to tell the difference between 2 and 6 hours in a cold wash. Softeners, optical brighteners, and antistatic agents also may be used on some fabrics. Arches Bright White is created without optical brighteners or bleaches with only the purest well water and cotton fibers, company officials said. As a result, the materials that contain optical brighteners appear to reflect more light than is incident upon them and the blue-violet emission tends to offset yellowish reflected light making the material appear whiter.
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