Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “buffer”

See all translations

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.
Translations of “buffer”
in Spanish amortiguador…
in French tampon…
in German der Stoßdämpfer…
in Chinese (Traditional) 保護, 緩衝物, 起緩衝作用的人…
in Russian буфер, защита…
in Turkish tampon…
in Chinese (Simplified) 保护, 缓冲物, 起缓冲作用的人…
in Polish zabezpieczenie…
(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

illusion

an idea or belief that is not true

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More