Title: accretion
Long Title: IUPAC Gold Book - accretion
DOI: 10.1351/goldbook.A00058
Status: current

Definition
The process by which aerosols grow in size by external addition of various chemical species; a form of agglomeration.

Related Term
- aerosols: https://goldbook.iupac.org//terms/view/A00176

Source
- PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2169 (https://doi.org/10.1351/pac199062112167)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/A00058/html
- json: https://goldbook.iupac.org/terms/view/A00058/json
- xml: https://goldbook.iupac.org/terms/view/A00058/xml

Citation: Citation: 'accretion' 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.A00058
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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: 2026-06-28T13:50:33+00:00