Term Description Type Properties Example Enum
unit The kind of unit. Recommended from NCIT Unit of Category ontology term (NCIT:C42568) descendants object id, label [{"id": "NCIT:C70575", "label": "Roentgen"}, {"id": "NCIT:C28252", "label": "Kilogram"}, {"id": "NCIT:C28253", "label": "Milligram"}] NA