Term: homoconjugation https://doi.org/10.1351/goldbook.H02842 Definition: [obsolete] Association between a base and its conjugate acid through a hydrogen bond (B … HB+ or AH … A−). Homoassociation is a more appropriate term for this phenomenon. Related Terms: 1) association (http://doi.org/10.1351/goldbook.A00472). 2) hydrogen bond (http://doi.org/10.1351/goldbook.H02899). Source: Citation: 'homoconjugation' 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.H02842 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. 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.