Title: thermal diffusivity
Long Title: IUPAC Gold Book - thermal diffusivity
DOI: 10.1351/goldbook.08697
Status: current

Definition
Thermal conductivity divided by the product of the specific heat and the density.

Note
SI unit: \(\pu{m2 s-1}\).

Source
- PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 767 (https://doi.org/10.1515/pac-2019-0203)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08697/html
- json: https://goldbook.iupac.org/terms/view/08697/json
- xml: https://goldbook.iupac.org/terms/view/08697/xml

Citation: Citation: 'thermal diffusivity' 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.08697
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Accessed: 2026-07-28T10:39:16+00:00