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Pronunciation: des'pyu-ma'shun


  1. The rising of impurities to the surface of a liquid.
  2. The skimming off of impurities on the surface of a liquid.

[L. de-spumo, pp. -atus, to skim, fr. spumo, to foam, fr. spuma, foam]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.