spectrometryWiktionary 原文构词拆分spectro-前缀optical spectra.+-metry后缀Forming nouns relating to measures and measurement.词源说明From spectro- + -metry.释义(英文)名词 Noun(physics, analytical chemistry) The measurement of the wavelength of electromagnetic radiation, especially any of several techniques used to analyze the structure of molecules; the measurement of spectra