helion

1. (sometimes)Any helium ion, the nucleus of any helium atom.

2. Any helium ion, the nucleus of any helium atom.

   (sometimes, usually)A helium-3 ion, the nucleus of a helium-3 atom. Formula: ³He⁺².

   гелио́нgelión

3. A meteoroid that arrives from the approximate direction of the Sun.

regular