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self-lu·mi·nous | \ ˌself-ˈlü-mə-nəs 
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\Definition of self-luminous
: generating and emitting its own visible light
… Venus … is not self-luminous but lit by the sun …— Derek J. deSolla Price Radium paint is actually self-luminous—when freshly applied, it requires no external energy source …— Jack Forster
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The first known use of self-luminous was in 1751
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