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luminescencen.

英 ,luːmɪ'nes(ə)ns | 美 ,lumɪ'nɛsns
中文n. [光] 发冷光
词根词源
luminescence (n.)1884, from Latin lumen (genitive luminis) "light" (see luminous) + -escence. Fluorescence and Phosphorescence -- Prof. E. Wiedmann has made a new study of these phenomena. He proposes the general name luminescence for evolutions of light which do not depend on the temperature of the substance concerned. ["Photographic News," April 20, 1888]
关键词
luminescence