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neutrosphere

[ noo-truh-sfeer, nyoo- ]
/ ˈnu trəˌsfɪər, ˈnyu- /
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noun
the part of the atmosphere whose constituents are, for the most part, electrically neutral, extending from the earth's surface to the base of the ionosphere.
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Origin of neutrosphere

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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