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fluorescence
[flu(ə)'res(ə)ns]
n
jewl.
Refers to the invisible wavelengths of light that become "visible" when exposed to ultraviolet radiation. Gems or pearls that exhibit color under ultraviolet light - color not seen under normal lighting conditions - are exhibiting fluorescence.
fluorescence:
4 phrases
in 3 subjects
Chemistry
2
Health care
1
Natural sciences
1
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