{"term":{"id":"09997","title":"nominal property value set","longtitle":"IUPAC Gold Book - nominal property value set","doi":"10.1351\/goldbook.09997","code":"09997","status":"current","definitions":[{"id":1,"text":"Set of possible nominal property values for nominal properties of a given kind-of-nominal-property.","notes":{"1":"A \"nominal property value set\" can be ordered by convention, for example in alphabetic order of words, or alphanumerical codes identifying nominal property values, or an order reflecting a classification, but neither of these is an ordering by size."},"exams":{"1":"{milky, red, yellow} can be a nominal property value set for nominal properties with the kind-of-nominal-property \"colour\".","2":"{A, B, AB, O} can be a nominal property value set of four nominal property values for nominal properties with the kind-of-nominal-property \"blood group\".","3":"Nominal property value sets that are ordered by other means than size, e.g. numbering of chromosomes and alphabetical list of country codes."},"links":[{"term":"kind-of-nominal-property","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09980"},{"term":"nominal properties","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09979"},{"term":"nominal property values","url":"https:\/\/goldbook.iupac.org\/\/terms\/view\/09996"}],"sources":["PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 921 (https:\/\/doi.org\/10.1515\/pac-2011-0613)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09997\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09997\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09997\/plain"},"citation":"Citation: 'nominal property value set' 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.09997","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.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","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":"2026-05-06T18:55:11+00:00"}}