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Medical Term:

addition compound


  1. strictly, a complex of two or more complete molecules in which each preserves its fundamental structure and no covalent bonds are made or broken (hydrates of salts, adducts);
  2. loosely, association of acids with basic organic compounds (amines with HCl);
  3. more loosely, addition of two molecules without the loss of any atom but resulting in formation of new covalent bonds (CH2=CH2 + Br2 ? BrCH2—CH2Br).
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.