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buffer

1 of 4

noun (1)

buff·​er ˈbə-fər How to pronounce buffer (audio)
plural buffers
1
: any of various devices or pieces of material for reducing shock or damage due to contact
2
: a means or device used as a cushion against the shock of fluctuations in business or financial activity
3
: something that serves as a protective barrier: such as
b
: a person who shields another especially from annoying routine matters
4
: a substance capable in solution of neutralizing both acids and bases and thereby maintaining the original acidity or basicity of the solution
also : a solution containing such a substance
5
: a section of computer memory for temporarily storing information
especially : one that accepts information at one rate and delivers it at another
The streaming video feed continues to download into the buffer while the computer starts playing the movie.
buffered adjective

buffer

2 of 4

verb

buffered; buffering ˈbə-f(ə-)riŋ How to pronounce buffer (audio) ; buffers

transitive verb

1
: to lessen the shock of : cushion
2
: to treat (something, such as an acid solution) with a buffer
also : to prepare (aspirin) with an antacid
3
: to collect (data) in a buffer

buffer

3 of 4

noun (2)

plural buffers
: someone or something that buffs
especially : a machine that cleans and polishes
a floor buffer

buffer

4 of 4

noun (3)

plural buffers
British slang
: fellow, man
a jolly buffer
especially : an old man
And now that I'm an old crock and he's an old buffer, we have our daily skirmishes—he wants the window closed, I want it open. Fiona Cooper

Example Sentences

Verb The trees help buffer the house from the hot summer sun. The wall buffers the noise of the traffic.

Word History

Etymology

Noun (1)

buff, verb, to react like a soft body when struck

Noun (3)

origin unknown

First Known Use

Noun (1)

1835, in the meaning defined at sense 1

Verb

1845, in the meaning defined at sense 1

Noun (2)

1854, in the meaning defined above

Noun (3)

1749, in the meaning defined above

Time Traveler
The first known use of buffer was in 1749

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