Term: base unit
https://doi.org/10.1351/goldbook.B00610

Definition:
Unit of measurement of a base quantity in a given system of quantities. By international agreement, a set of seven dimensionally independent units form the SI base units: the metre, kilogram, second, ampere, kelvin, mole and candela.

Related Terms:
1) base quantity (http://doi.org/10.1351/goldbook.B00609).
2) metre (http://doi.org/10.1351/goldbook.M03884).
3) kilogram (http://doi.org/10.1351/goldbook.K03391).
4) second (http://doi.org/10.1351/goldbook.S05513).
5) ampere (http://doi.org/10.1351/goldbook.A00300).
6) kelvin (http://doi.org/10.1351/goldbook.K03374).
7) mole (http://doi.org/10.1351/goldbook.M03980).
8) candela (http://doi.org/10.1351/goldbook.C00787).
9) unit (<em>of measurement</em>) (http://doi.org/10.1351/goldbook.U06561).

Source: PAC, 1986, 58, 1405. 'Recommendations for the presentation of thermodynamic and related data in biology (Recommendations 1985)' on page 1406 (https://doi.org/10.1351/pac198658101405)

Citation: 'base unit' 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.B00610

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