Unit

The word unit can mean more than one thing:

• In most physical contexts, 'unit' is used to mean a physical unit
• A currency is a unit of money (a monetary unit).
• 'unit' can also refer to the number one. See also Root of unity.
• A unit vector is a vector with length one.
• An invertible element in a ring is also called a unit.

This is a disambiguation page. If you arrived here by a link from another page, you may want to fix it. If you know any more meanings of the term 'unit' you may want to add them to this list.