单词 | fluorescence |
释义 | fluorescence/flʊəˈrɛs(ə)ns / /flɔːˈrɛs(ə)ns/noun [mass noun] 1The visible or invisible radiation produced from certain substances as a result of incident radiation of a shorter wavelength such as X-rays or ultraviolet light.The uralolite exhibits faint green fluorescence in shortwave ultraviolet radiation....
1.1The property of absorbing light of short wavelength and emitting light of longer wavelength.Other mutants displayed green fluorescence or lacked fluorescent properties....
OriginMid 19th century: from fluorspar (which fluoresces), on the pattern of opalescence. Rhymes |
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