bufferlevel

noun
UK /ˈbʌfəˌlɛvəl/
US /ˈbʌfərˌlɛvəl/

A buffer level is how much extra space is kept ready so things don't run out.

The water tank has a buffer level so the town never runs dry.


OTHER MEANINGS

2. In computing, the amount of data held in temporary memory before it is processed.

The video player paused because its buffer level dropped too low.

3. In audio, the amount of sound stored ahead so playback stays smooth.

Raise the buffer level to stop the music from skipping.

4. In economics, a set amount of money or goods kept aside as a cushion.

The company keeps a buffer level of cash for emergencies.