Definition of D-region in English:

D-region

Line breaks: D-region

noun

  • another term for D-layer.
    More example sentences
    • Negative ions are a feature of the D-region ionosphere, where they hold a substantial portion of the negative charge.
    • The altitude of the D-region ionosphere is too low for satellite measurements of electron density.

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Pronunciation: skəʊʃ
noun
a small amount; a little