| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024buff•er1 /ˈbʌfɚ/USA pronunciation n. [countable]- Rail Transportan apparatus at the end of a railroad car, etc., for absorbing shock during coupling, etc.
- one that shields and protects against harm, or lessens the impact of a shock or other misfortune:That small country was created as a buffer against the two warring states around it.
- Computinga temporary storage area that holds data until a computer is ready to process it.
v. [~ + object] - to cushion, shield, or protect.
buff•er2 /ˈbʌfɚ/USA pronunciation n. [countable]- Metallurgya device for polishing or buffing.
buff•er3 /ˈbʌfɚ/USA pronunciation n. [countable] Brit. Slang.- British Termsa foolish person.
WordReference Random House Unabridged Dictionary of American English © 2024buff•er1 (buf′ər),USA pronunciation n. - an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc.
- Mechanical Engineeringany device, material, or apparatus used as a shield, cushion, or bumper, esp. on machinery.
- any intermediate or intervening shield or device reducing the danger of interaction between two machines, chemicals, electronic components, etc.
- a person or thing that shields and protects against annoyance, harm, hostile forces, etc., or that lessens the impact of a shock or reversal.
- any reserve moneys, negotiable securities, legal procedures, etc., that protect a person, organization, or country against financial ruin.
- GovernmentSee buffer state.
- Ecologyan animal population that becomes the prey of a predator that usually feeds on a different species.
- Computinga storage device for temporarily holding data until the computer is ready to receive or process the data, as when a receiving unit has an operating speed lower than that of the unit feeding data to it.
- Electronicsa circuit with a single output activated by one or more of several inputs.
- Chemistry
- any substance or mixture of compounds that, added to a solution, is capable of neutralizing both acids and bases without appreciably changing the original acidity or alkalinity of the solution.
- Also called buff′er solu′tion. a solution containing such a substance.
v.t. - Chemistryto treat with a buffer.
- to cushion, shield, or protect.
- to lessen the adverse effect of;
ease:The drug buffered his pain.
buff•er2 (buf′ər),USA pronunciation n. - Metallurgya device for polishing or buffing, as a buff stick or buff wheel.
- Metallurgya worker who uses such a device.
buff•er3 (buf′ər),USA pronunciation n. [Brit. Slang.]- British Termsa foolish or incompetent person.
- British Termsa fellow;
man. - British Termsa chief boatswain's mate in the British navy.
- origin, originally uncertain 1680–90
Collins Concise English Dictionary © HarperCollins Publishers:: buffer /ˈbʌfə/ n - 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
- a person or thing that lessens shock or protects from damaging impact, circumstances, etc
- 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
- Also called: buffer solution a solution containing such a compound
- a memory device for temporarily storing data
vb (transitive)- to insulate against or protect from shock; cushion
- to add a buffer to (a solution)
Etymology: 19th Century: from buff² buffer /ˈbʌfə/ n - any device used to shine, polish, etc; buff
- a person who uses such a device
buffer /ˈbʌfə/ n - Brit informal offensive a stupid or bumbling man (esp in the phrase old buffer)
Etymology: 18th Century: perhaps from Middle English buffer stammerer |