Title: immission
Long Title: IUPAC Gold Book - immission
DOI: 10.1351/goldbook.I02967
Status: current

Definition
A Germanic term, pronounced in English, 'eye-mission'; the transfer of pollutants from the atmosphere to a 'receptor'; for example, pollutants retained by the lungs. It does not have the same meaning as ground level concentration, but is the opposite in meaning to emission. This term has not been used commonly in the English language.

Related Term
- receptor: https://goldbook.iupac.org//terms/view/RT06841

Source
- PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2196 (https://doi.org/10.1351/pac199062112167)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/I02967/html
- json: https://goldbook.iupac.org/terms/view/I02967/json
- xml: https://goldbook.iupac.org/terms/view/I02967/xml

Citation: Citation: 'immission' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.I02967
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.
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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.
Accessed: 2026-05-09T03:47:54+00:00