luminous paint

noun
paint containing a phosphor that emits visible light when irradiated with ultraviolet light.

Origin:
1885–90

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Britannica
Encyclopedia

luminous paint

paint that glows in the dark because it contains a phosphor, a substance that emits light for a certain length of time after exposure to an energy source, such as ultraviolet radiation. Zinc sulfide and calcium sulfide are such phosphors.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
One worker reportedly painted her teeth with the luminous paint in preparation for a date after work one evening.
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