1. the nucleus of a deuterium atom, consisting of one proton and one neutron
Usage: physics

Examples

• The deuteron is twice as heavy as a proton.
• Scientists accelerated deuterons in the particle accelerator.
• A deuteron has a binding energy of about 2.2 MeV.
• The collision between the deuteron and the target nucleus produced new particles.
• Researchers studied the magnetic moment of the deuteron.
• The deuteron beam was used in nuclear fusion experiments.