standalonekey
nounUK /ˈstændələʊn kiː/
US /ˈstændəloʊn kiː/
A standalone key is a key that works all by itself without needing any other keys.
The old cabin had a standalone key that opened only its front door.
OTHER MEANINGS
2. A key on a keyboard that works on its own without a modifier key.
Press the standalone key to open the menu.
3. In computing, a unique key that is not linked to any other key in a database.
Each record was given a standalone key for easy lookup.
4. A musical key that stands alone without changing during a piece.
The song stays in one standalone key from start to finish.