Title: unary system
Long Title: IUPAC Gold Book - unary system
DOI: 10.1351/goldbook.15368
Status: current

Definition
System containing one component.

Related Terms
- binary system: https://goldbook.iupac.org//terms/view/15316
- component: https://goldbook.iupac.org//terms/view/16268
- higher-order system: https://goldbook.iupac.org//terms/view/15332
- ternary system: https://goldbook.iupac.org//terms/view/15366

Source
- PAC, 2008, 80, 233. 'Glossary of terms related to solubility (IUPAC Recommendations 2008)' on page 270 (https://doi.org/10.1351/pac200880020233)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/15368/html
- json: https://goldbook.iupac.org/terms/view/15368/json
- xml: https://goldbook.iupac.org/terms/view/15368/xml

Citation: Citation: 'unary system' 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.15368
License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.
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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: 2026-04-18T23:16:37+00:00