Definition of "helion" []

• The nucleus of a helium-3 atom (noun)

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• "Now that Endeavour's orbit had coalesced with Rama's they were heading sunwards like a single body; in forty days they would reach peri - helion, and pass within twenty million kilometres of the sun."
• "* Hosper to somati phos helios, houto psuche proseuche; ei oun tuphlo zemia to me horan ton helion, poia zemia Christiano to me proseuchesthai sunechos kai dia tes proseuches to tou Christou phos eis ten psuchen eisagein?"
• "[159] Hosper to somati phos helios, houto psuche proseuche; ei oun tuphlo zemia to me horan ton helion, poia zemia Christiano to me proseuchesthai sunechos kai dia tes proseuches to tou Christou phos eis ten psuchen eisagein?"