Definition of "helium-3" [helium-3]

• The rare isotope of helium, 32He, that has a single neutron (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "The man was a three-year contract worker, his only job to send shipments of an energy source called helium-3 back to Earth."
• "Any strife over lunar land, governance, and resources (helium-3, basically the real reason moon colonization is happening now) is probably going to occur anyways, whether the initial outpost is cooperatively built or not."
• "Sam Bell, assisted by his robotic aid GERTY, is the sole engineer on the lunar base handling the helium-3 extraction."