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Pronunciation: kup'ling


  1. The result of the repeated pairing of a normal sinus beat with a ventricular extrasystole.
  2. A condition in which one or more products of a reaction are the subsequent reactants (or substrates) of a second reaction.
  3. The covalent bonding of one molecular entity to another.
  4. An interaction between different parts of a system, between groups in a molecule.
  5. The linking of electron transport to oxidative phosphorylation.

See: coupling phase

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