Buffer - definition, pronunciation, transcription

Amer.  |ˈbʌfər|  American pronunciation of the word buffer
Brit.  |ˈbʌfə|  British pronunciation of the word buffer


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


- add a buffer (a solution)
- protect from impact (syn: cushion, soften)


The trees help buffer the house from the hot summer sun.

The wall buffers the noise of the traffic.

Eastern Europe was important to Russia as a buffer against the West.

She often had to act as a buffer between father and son.

He's a nice old buffer.

Consumer spending is buffering the effects of the recession.

buffered saline solution for the eyes

Word forms

I/you/we/they: buffer
he/she/it: buffers
present participle: buffering
past tense: buffered
past participle: buffered
singular: buffer
plural: buffers
See also:  WebsterWiktionaryLongman