The property of naturally producing and emitting light, as distinguished from reflecting light.
单词 | θ31320 |
释义 | the world > animals > animal body > general parts > [noun] > organ emitting light > characteristic of emitting light (2) self-luminosity1841 The property of naturally producing and emitting light, as distinguished from reflecting light. luminosity1871 The quality or condition of being luminous. |
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