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D layer Definition

D layer

noun

the lowest area of the ionosphere, having increased ion density and existing only in the daytime: it begins at an altitude of about 70 km (c. 43 mi) and merges with the E layer

Browse dictionary entries near D layer

  1. d'Indy
  2. d'Iberville
  3. Díaz del Castillo, Bernal
  4. Díaz
  5. D-horizon
  6. développé
  7. détente
  8. D'Entrecasteaux Islands
  9. démodé
  10. démarche
  1. D-mark
  2. D'Oyly Carte
  3. d-
  4. D region
  5. D-ring
  6. -'d
  7. d.t.'s
  8. D-to-A
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  10. Dürrenmatt