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quenching

Pronunciation: kwench'ing

Definition:

  1. The process of extinguishing, removing, or diminishing a physical property such as heat or light, rapidly cooling a hot metal rapidly by plunging it into water or oil.
  2. In beta liquid scintillation counting, the shifting of the energy spectrum from a true to a lower energy; it is caused by a variety of interfering materials in the counting solution, including foreign chemicals and coloring agents.
  3. The process of stopping a chemical or enzymatic reaction.

[M. E. quenchen, fr. O.E. acwencan]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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