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From Middle English quenchen, from Old English cwenċan, acwenċan, from Proto-Germanic *kwankijaną.



quench (third-person singular simple present quenches, present participle quenching, simple past and past participle quenched)

  1. (transitive) To satisfy, especially an actual or figurative thirst.
    The library quenched her thirst for knowledge.
    Synonyms: appease, slake
  2. (transitive) To extinguish or put out (as a fire or light).
    Then the MacManus went down. The sudden quench of the white light was how I knew it. — Saul Bellow
  3. (transitive, metallurgy) To cool rapidly by dipping into a bath of coolant, as a blacksmith quenching hot iron.
    The swordsmith quenched the sword in an oil bath so that it wouldn't shatter.
  4. (transitive, chemistry) To terminate or greatly diminish (a chemical reaction) by destroying or deforming the remaining reagents.
  5. (transitive, physics) To rapidly change the parameters of a physical system.
    • 2018, “Strong quenches in the one-dimensional Fermi-Hubbard model”, in Physical Review A[1], volume 98, DOI:10.1103/PhysRevA.98.033602, page 1:
      A suitable method to prepare a system out of equilibrium in order to study the ensuing dynamics is to quench the system, i.e., to change its parameters abruptly.



quench (plural quenches)

  1. (physics) The abnormal termination of operation of a superconducting magnet, occurring when part of the superconducting coil enters the normal (resistive) state.
  2. (physics) A rapid change of the parameters of a physical system.