paint containing a phosphor that emits visible light when irradiated with ultraviolet light.
What Word Is Your State Looking Up On Mother’s Day?Our Data Scientists analyzed what users looked up on Dictionary.com on Mother’s Day in 2018 and found these as the top trends by state.
Origin of luminous paint
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019