AbstractBasic units of measurements involving spectroscopic terms are presented. Units used in spectroscopy are redefined. Terms commonly in use and the units approved by the International Union of Pure and Applied Chemistry (IUPAC) are included.KeywordsSpectroscopic nomenclatureGet full access to this articleView all access options for this article.Get accessReferences1. Page C. H. and Vigoureux P. , Eds., The International System of Units (SI), Nat. Bur. Stand. Spec. Publ. 330, 1971.2. Hughes H. K. , Anal. Chem. 24, 1349 (1952).3. ASTM Committee E-13 on Molecular Spectroscopy , Tentative Definitions, 1966.4. McGlashan M. L. , Manual of Symbols and Terminology for Physicochemical Quantities and Units, Pure Appl. Chem. 21, 1, (1970).