MEANING
An upper atmospheric region containing enough charged particles to affect radio waves.
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Words that belong together
- upper ionosphere
- ionospheric disturbance
On the page
A storm in the ionosphere disrupted the colony’s radio link.
The beacon used reflections from the ionosphere to reach the far coast.
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Word forms
- Base
- ionosphere
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Usage notes
Primary category: sci-fi. Forms: Singular: ionosphere; plural: ionospheres. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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