Term: dispersive spectrometer https://doi.org/10.1351/goldbook.08240 Definition: Spectrometer in which electromagnetic radiation is separated spatially into its component wavenumbers by a dispersive element, such as a prism or a diffraction grating. Link: Related Term: electromagnetic radiation (http://doi.org/10.1351/goldbook.08242). Related Term: wavenumbers (http://doi.org/10.1351/goldbook.08301). Source: PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 656 (https://doi.org/10.1515/pac-2019-0203) Citation: 'dispersive spectrometer' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08240 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.