spectrometerWiktionary 原文中文来自 ECDICTn.分光计，谱仪构词拆分spectro-前缀optical spectra.+-meter后缀Used to form the names of measuring devices.词源说明From spectro- + -meter.释义（英文）名词 Noun(analytical chemistry) An optical instrument for measuring the absorption of light by chemical substances; typically it will plot