mutablevalue

noun
UK /ˈmjuːtəbl ˈvæljuː/
US /ˈmjuːtəbl ˈvæljuː/

A mutable value is a value that you can change later.

The score in the game is a mutable value because it goes up when you win points.


OTHER MEANINGS

2. In programming, a stored value whose contents can be updated after it is created.

The counter is a mutable value, so the program can add one to it each time.

3. A value in a list or record that is allowed to be modified without making a whole new copy.

Changing the player's name updates a mutable value inside the player record.

4. Something whose amount or state is not fixed and may change over time.

The temperature outside is a mutable value that changes from morning to night.