HELIOPAUSE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting spatial position

Hypernyms ("heliopause" is a kind of...):

bound; boundary; bounds (the line or plane indicating the limit or extent of something)

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