Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “buffer”

buffer

noun uk   /ˈbʌf.ər/ us    //

buffer noun (PROTECTION)

[C] something or someone that helps protect from harm: I bought a house as a buffer against inflation. [C] the metal parts at the front and back of a train or at the end of a track, that help protect the train and reduce damage if the train hits something [C or U] a chemical that keeps a liquid from becoming more or less acidic

buffer noun (EXTRA SUPPLY)

[C] an extra supply of materials that a company keeps in order to prevent a situation where none are available: "Just-in-time production" means that no buffer stocks are held in the factory.

buffer noun (MAN)

[C] UK old-fashioned a silly old man: Silly old buffer!

buffer

verb uk   /ˈbʌf.ər/ us    //

buffer verb (PROVIDE PROTECTION)

[T] to provide protection against harm

buffer verb (STORE INFORMATION)

[I or T] When a computer buffers information or buffers, it stores information temporarily in its memory while dealing with it or sending it.
(Definition of buffer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of buffer?
Add Cambridge dictionaries to your browser to your website

More meanings of “buffer”

Definitions of “buffer” in other dictionaries

Word of the Day

look on the bright side

to find good things in a bad situation

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More