buffer

buffer
buff|er1 [ˈbʌfə US -ər] n
▬▬▬▬▬▬▬
1¦(protection)¦
2¦(railway)¦
3 buffer zone
4 buffer state
5¦(computer)¦
6¦(person)¦
7¦(for polishing)¦
8 run into/hit the buffers
▬▬▬▬▬▬▬
[Sense: 1-5, 8; Date: 1800-1900; Origin: buff 'to hit or be hit softly' (16-19 centuries), probably from the sound.]
[Sense: 6; Date: 1700-1800; Origin: Origin unknown]
[Sense: 7; Date: 1800-1900; Origin: BUFF2]
1.) ¦(PROTECTION)¦
someone or something that protects one thing or person from being harmed by another
buffer against
▪ Eastern Europe was important to Russia as a buffer against the West.
buffer between
▪ She often had to act as a buffer between father and son.
2.) ¦(RAILWAY)¦
one of the two special metal springs on the front or back of a train or at the end of a railway track to take the shock if the train hits something
3.) buffer zone
an area between two armies, which is intended to separate them so that they do not fight
4.) buffer state
a smaller country between two larger countries, which makes war between them less likely
5.) ¦(COMPUTER)¦
a place in a computer's memory for storing information temporarily
6.) ¦(PERSON)¦
BrE old-fashioned an old man who is not good at managing things
▪ He's a nice old buffer.
7.) ¦(FOR POLISHING)¦
something used to polish a surface
8.) run into/hit the buffers informal
an activity or plan that hits the buffers is stopped and does not succeed
buffer 2
buffer2 v [T]
1.) to reduce the bad effects of something
▪ Consumer spending is buffering the effects of the recession.
2.) if a computer buffers information, it holds it for a short while before using it

Dictionary of contemporary English. 2013.

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