kind-of-nominal-property

https://doi.org/10.1351/goldbook.09980

Defining aspect, common to mutually comparable nominal properties.

Examples:
  1. Colour at a specified lighting.
  2. Sequence variation.
  3. Taxon.
  4. Shape.
Note: "Kind-of-nominal-property" is sometimes termed "attribute", but not here.
Source:
PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 916 (https://doi.org/10.1515/pac-2011-0613)