helium-3

English

Noun

helium-3 (uncountable)

1. (physics) The rare isotope of helium, ³₂He, that has a single neutron
   • 2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: H-047c Codex entry:

     With its magnetic field drastically weakened and much of its atmosphere lost, what remains intact of H-047c's surface is vulnerable to cosmic radiation. This has rendered the soil unable to support life, though it is a potential source of valuable helium-3.

See also

• helion
• helium-4