deuterium deuterium  /du ˈti ri əm/


  • (n) an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)


  1. When molecules of deuterium iodide were struck by photons in the light beam, they split into fast-moving atoms of deuterium and sluggish, heavier atoms of iodine.
  2. If the electrons in deuterium are replaced with heavier particles called muons, the deuterium nuclei can approach each other more closely and occasionally fuse on their own.
  3. This is deuterium pinched together by magnetic force.


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engender engender
/ɛn ˈdʒɛn dər /