buffer meaning and definition

BUFFER noun

Definition of buffer (noun)

1. (chemistry) an ionic compound that resists changes in its pH
2. a neutral zone between two rival powers that is created in order to diminish the danger of conflict
   • synonyms: buffer zone
3. an inclined metal frame at the front of a locomotive to clear the track
   • synonyms: cowcatcher, fender, pilot
4. (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
5. a power tool used to buff surfaces
   • synonyms: polisher
6. a cushion-like device that reduces shock due to an impact
   • synonyms: fender
7. an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
   • synonyms: buff

BUFFER verb

Definition of buffer (verb)

1. add a buffer (a solution)
   • "buffered saline solution for the eyes"
2. protect from impact
   • "cushion the blow"
   • synonyms: cushion, soften