Buffer (noun) Definition, Meaning & Examples

noun
  1. an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc.
  2. any device, material, or apparatus used as a shield, cushion, or bumper, especially on machinery.
  3. any intermediate or intervening shield or device reducing the danger of interaction between two machines, chemicals, electronic components, etc.
  4. a person or thing that shields and protects against annoyance, harm, hostile forces, etc., or that lessens the impact of a shock or reversal.
  5. any reserve moneys, negotiable securities, legal procedures, etc., that protect a person, organization, or country against financial ruin.
  6. buffer state.
  7. an animal population that becomes the prey of a predator that usually feeds on a different species.
  8. a 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.
  9. a circuit with a single output activated by one or more of several inputs.
  10. 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.
    • a solution containing such a substance.
verb (used with object)
  1. to treat with a buffer.
  2. to cushion, shield, or protect.
  3. to lessen the adverse effect of; ease: The drug buffered his pain.
  4. to temporarily save (data) before actively accessing it so that it can be loaded at a rapid or uniform rate: Give the app time to buffer the audio when you are streaming music.You’ll get a load screen while the game buffers those high-resolution graphics.
noun
  1. a device for polishing or buffing, as a buff stick or buff wheel.
  2. a worker who uses such a device.
noun British Slang.
  1. a foolish or incompetent person.
  2. a fellow; man.
  3. a chief boatswain's mate in the British navy.
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. chem
    • 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
    • a solution containing such a compound
  4. a memory device for temporarily storing data
  5. an isolating circuit used to minimize the reaction between a driving and a driven circuit
  6. short for buffer state
  7. to finish or be stopped, esp unexpectedly
verb (tr)
  1. to insulate against or protect from shock; cushion
  2. to add a buffer to (a solution)
noun
  1. any device used to shine, polish, etc; buff
  2. a person who uses such a device
noun
  1. a stupid or bumbling man (esp in the phrase old buffer)
    Buffer (noun) Definition, Meaning & Examples

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