ionospheres

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A form of ionosphere — The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.

Scrabble 16
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Meanings

noun
  1. pluralplural of ionosphere
Cite this entry
APA

ionospheres. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ionospheres

MLA

“ionospheres.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ionospheres. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ionospheres,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ionospheres.

Source: ionospheres on Wiktionary, CC BY-SA 4.0.