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ionopause
[ ahy-on-uh-pawz ]
noun
- the transitional zone between the ionosphere and the mesosphere.
ionopause
/ aɪˈɒnəˌpɔːz /
noun
- the transitional zone in the atmosphere between the ionosphere and the exosphere, about 644 km (400 miles) from the earth's surface
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Word History and Origins
Origin of ionopause1
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