buffer

A neutral zone between two rival powers that is created in order to diminish the danger of conflict.

A power tool used to buff surfaces.

(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system.

An inclined metal frame at the front of a locomotive to clear the track.

An implement consisting of soft material mounted on a block; used for polishing (as in manicuring).

A cushion-like device that reduces shock due to an impact.

(chemistry) an ionic compound that resists changes in its pH.

Protect from impact.

Add a buffer (a solution).

“buffered saline solution for the eyes”