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Pronunciation: kom'pownd


  1. chemistry a substance formed by the covalent or electrostatic union of two or more atoms, generally differing entirely in physical characteristics from any of its components.
  2. pharmacy denoting a preparation containing several ingredients. For compounds not listed here, see the specific chemical or pharmaceutical names.

[through O.Fr., fr. L. compono]

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