buffer

buffer¹
noun

a person or thing that prevents incompatible or antagonistic people or things from coming into contact with or harming each other
起缓冲作用的人（或物）
Family and friends can provide a buffer against stress.
家人和朋友可以帮你缓解压力。
■(buffers)(Brit.)a pair of shock-absorbing pistons projecting from a cross-beam at the end of a railway track or on the front and rear of a railway vehicle to reduce the effect of an impact
(英)（铁轨末端横梁或铁路机车前后凸出的）活塞缓冲器，活塞减震器
(亦作 buffer solution)(Chemistry)a solution which resists changes in pH when acid or alkali is added to it. Buffers typically involve a weak acid or alkali together with one of its salts
(化)缓冲溶液，缓冲剂
(Computing)a temporary memory area or queue used when transferring data between devices or programs operating at different speeds
(计算机)缓冲存储区，缓冲区

verb
[with obj.]

lessen or moderate the impact of (something)
缓冲减轻
the massage helped to buffer the strain.
按摩有助于缓解压力。
treat with a chemical buffer
用缓冲液处理
add organic matter to buffer the resulting alkalinity.
加一些有机物来降低碱的浓度。

语源

mid 19th cent.: probably from obsolete buff (verb), imitative of the sound of a blow to a soft body

buffer²
noun

(Brit. informal)an elderly man who is considered to be foolishly old-fashioned, unworldly, or incompetent
(英，非正式)因循守旧的老顽固，不谙世故（或无能）的老者
a distinguished old buffer.
一位有名的老顽固。

语源

mid 18th cent.: probably from obsolete buff (see buffer), or from dialect buff 'stutter, splutter' (possibly the same word). In late Middle English buffer had the sense 'stammerer'

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