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electron pair

noun

  1. Chemistry. two electrons occupying the same orbital in an atom or molecule; two electrons working together, especially forming a nonpolar covalent bond between atoms.
  2. Physics. an electron and a positron produced in a reaction, as by a high-energy photon.

electron pair

  1. Two electrons functioning or regarded as functioning together, especially two electrons that form a covalent bond between atoms.
  2. An electron and a positron produced by a high-energy photon.

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Word History and Origins

Origin of electron pair1

First recorded in 1930–35

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