Term: rotometer
https://doi.org/10.1351/goldbook.R05418

Definition:
A device, based on Stokes law, for measuring rate of fluid flow. It is a tapered vertical tube having a circular cross-section in which a float moves in a vertical path to a height dependent upon the rate of fluid flow upward through the tube.

Related Terms:
1) stokes law (http://doi.org/10.1351/goldbook.S06028).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2211 (https://doi.org/10.1351/pac199062112167)

Citation: 'rotometer' 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.R05418

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