| 单词 | fluorescence |
| 释义 | fluorescence n. 1. the visible or invisible radiation produced from certain substances as a result of incident radiation of a shorter wavelength as X-rays, ultraviolet light, etc. 2. the property of absorbing light of short (invisible) wavelength and emitting light of longer (visible) wavelength. Etymology: FLUORSPAR (which fluoresces) after opalescence |
| 随便看 |
英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。