noun🔗ShareSpectromètreAn optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure."The chemistry student used a spectrometer to analyze the unknown liquid, identifying its ingredients by the unique pattern of light absorption it produced. "L'étudiant en chimie a utilisé un spectromètre pour analyser le liquide inconnu, identifiant ses ingrédients grâce au motif unique d'absorption de la lumière qu'il produisait.technologysciencechemistryphysicsdeviceChat with AIVocabulary GamePractice Reading