Term: Brownian motion
https://doi.org/10.1351/goldbook.B00748

Definition:
The movement of particles in a colloidal system such as an aerosol caused by collision with the molecules in the fluid in which the particles are imbedded.

Related Terms:
1) colloidal (http://doi.org/10.1351/goldbook.C01172).
2) aerosol (http://doi.org/10.1351/goldbook.A00176).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2177 (https://doi.org/10.1351/pac199062112167)

Citation: 'Brownian motion' 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.B00748

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