Helion

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This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. The nucleus of a helium-3 atom
  • Word Usage
    "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."
    Cross Reference