| 单词 | buffer |
| 释义 | Word Frequency buffer 1(ˈbʌfə) noun 1. one of a pair of spring-loaded steel pads attached at both ends of railway vehicles and at the end of a railway track to reduce shock due to contact 2. a person or thing that lessens shock or protects from damaging impact, circumstances, etc 3. chemistry a. an ionic compound, usually a salt of a weak acid or base, added to a solution to resist changes in its acidity or alkalinity and thus stabilize its pH b. Also called: buffer solution a solution containing such a compound 4. computing a memory device for temporarily storing data 5. electronics an isolating circuit used to minimize the reaction between a driving and a driven circuit 6. short for buffer state 7. hit the buffers verb (transitive) 8. to insulate against or protect from shock; cushion 9. chemistry to add a buffer to (a solution) Word origin C19: from buff2Word Frequency buffer 2(ˈbʌfə) noun 1. any device used to shine, polish, etc; buff 2. a person who uses such a device Word Frequency buffer 3(ˈbʌfə) noun British informal a stupid or bumbling man (esp in the phrase old buffer) Word origin C18: perhaps from Middle English buffer stammerer |
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