buffer

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

(noun) a neutral zone between two rival powers that is created in order to diminish the danger of conflict. Synonyms: buffer zone.

(noun) an inclined metal frame at the front of a locomotive to clear the track. Synonyms: fender, cowcatcher, pilot.

(noun) (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. Synonyms: buffer storage, buffer store.

(noun) a power tool used to buff surfaces. Synonyms: polisher.

(noun) a cushion-like device that reduces shock due to an impact. Synonyms: fender.

(noun) an implement consisting of soft material mounted on a block; used for polishing (as in manicuring). Synonyms: buff.

(verb) add a buffer (a solution). Example: "Buffered saline solution for the eyes."

(verb) protect from impact. Synonyms: cushion, soften. Example: "Cushion the blow."

(adj) of the yellowish-beige color of buff leather. Synonyms: buff.