Phrase guide
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noun
A ionospheric perturbation, resulting from abnormally high ionization or plasma density in the D region of the ionosphere and caused by a solar flare and/or solar particle event.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named after John Howard Dellinger who discovered the effect around 1935.
