fluorescence; fluorescent light/screen
Meanings
2 senses · 6 examplesnoun
fluorescence; luminescent light
formalA form of luminescence where a substance absorbs light or other electromagnetic radiation and re-emits it at a different wavelength, typically stopping when the excitation source is removed.
This mineral emits green fluorescence under ultraviolet light.
Scientists use fluorescent labeling to track cellular activity.
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Some marine organisms possess biofluorescence.
noun
fluorescent light; fluorescent screen
neutralRefers to objects or devices that utilize fluorescence, such as fluorescent lamps (light bulbs/tubes) or the screen of older CRT monitors/TVs. '荧光灯' and '荧光屏' are common compounds.
The offices have been fitted with energy-saving fluorescent lights.
The picture quality on an old TV's fluorescent screen is not as good as on an LCD screen.
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This paint changes color under fluorescent light.