removablebottom

noun
UK /rɪˈmuːvəbl ˈbɒtəm/
US /rɪˈmuːvəbl ˈbɑːtəm/

A removable bottom is a part of a pan that you can take off.

The cake pan has a removable bottom, so the cake comes out easily.


OTHER MEANINGS

2. A bottom part of a container that can be lifted out for cleaning.

The lunchbox has a removable bottom for easy washing.

3. A detachable lower section of a piece of furniture or equipment.

The birdcage's removable bottom makes cleaning simple.

4. A base that can be taken off a toy or model to change how it stands.

The toy robot has a removable bottom so it can sit or stand.