Definition of deuteron in English:

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Pronunciation: /ˈd(y)o͞odəˌrän/


The nucleus of a deuterium atom, consisting of a proton and a neutron.
Example sentences
  • The wave functions of both the deuteron and the alpha particle are invariant under the interchange of up and down quarks but recall that the pion wave function is not.
  • If the laser frequencies are high enough, the deuteron effectively feels the proton's force in all directions, and the repulsion cancels itself.
  • Tritium was discovered by physicists Ernest Rutherford, M.L. Oliphant, and Paul Harteck, in 1934, when they bombarded deuterium (a hydrogen isotope with mass number 2) with high-energy deuterons (nuclei of deuterium atoms).


1930s: from Greek deuteros 'second', on the pattern of proton.

For editors and proofreaders

Syllabification: deu·ter·on

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