Definition of heliopause

Scrabble & Words with friends points


  • heliopause is not a valid Scrabble US word!
  • heliopause is a valid Scrabble UK word with a point value of 15
  • heliopause is not a valid Words with friends word!

Definition of heliopause


  • the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet (noun)

See definition of heliopause in Merriam Webster