Definition of ionopause in English:

ionopause

Line breaks: iono|pause
Pronunciation: /ʌɪˈɒnə(ʊ)pɔːz
 
/

noun

Astronomy
  • The upper boundary of the ionosphere of a planet, comet, or other celestial object.
    More example sentences
    • The pressure distribution within the magnetic barrier just outside the ionopause of Venus is shown here to be similar to expected solar wind pressure variation.
    • The dayside ionopause and ionosphere are observed to respond dramatically to solar wind pressure variations

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