萤光灯 yíngguāngdēng fluorescent lamp Origin Definitions Defs Strokes Stroke Words Sentences Sents 萤光 螢光 yíngguāng fluorescence Fluorescence; the light emitted by certain substances when exposed to radiation such as ultraviolet light or electrons.灯 燈 dēng noun lamp lamp; lantern; light; any device used for illumination