qudt:categorizedByQuantityKind

Relates a unit to a non-commensurate quantity-kind category under which it is grouped — e.g. the placeholder quantitykind:Unknown, or a dimensionless bucket such as quantitykind:DimensionlessRatio — without asserting that the unit measures or is convertible within a commensurate family. A sub-property of qudt:hasQuantityKind. Contrast qudt:unitForQuantityKind.