====== Unit ======

Element for describing units. Use in containers UnitSet or directly incorporate into a host schema.

===== Attributes =====

^ Name ^ Type ^ Use ^ Description ^
| dimensionURL | xs:anyURI | optional | URL to a representation of the unit or quantity in terms of the 7 SI base dimensions. |

===== Children =====

^ Name ^ Type ^ Cardinality ^ Description ^
| [[.:unitname|UnitName]] | unitsml:NameType | [1, ∞] | Element containing the unit name. |
| [[.:unitsymbol|UnitSymbol]] | unitsml:SymbolType | [0, ∞] | Element containing various unit symbols.  Examples include Aring (ASCII), Å (HTML). |
| [[.:rootunits|RootUnits]] | unitsml:RootUnitsType | [0, 1] | Container for defining derived units in terms of their root units. This allows a precise definition of a wide range of units. The goal is to improve interoperability among applications and databases which use derived units based on commonly encountered root units. |

^ Schema version | 3.2.0 |
^ Schema location | unitsmlSchema_lite-0.9.18.xsd |
^ Namespace | urn:oasis:names:tc:unitsml:schema:xsd:UnitsMLSchema_lite-0.9.18 |
^ Created | 2026-09-09T11:33:00Z |