Word.ws English Dictionary

D-region

D-region is the alternative form of D region.

Meaning of D region

Proper noun

the D region

  1. The innermost layer of the ionosphere, located 48 km (30 mi) to 90 km (56 mi) above the surface of the Earth.
    Synonyms:
    D layer

Questions about D-region

What is D-region the alternative form of?
D-region is the alternative form of D region.

Words near D-region in the dictionary

  1. d-pads
  2. D-pillar
  3. D-pillars
  4. D-post
  5. D-posts
  6. D-region
  7. D-ring
  8. D-rings
  9. D-shackle
  10. D-shackles
  11. D-shaped

Source and license

Adapted from Wiktionary: D-region (page history and authors); D region (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “D-region.” Word.ws, https://word.ws/d-region. Based on Wiktionary, CC BY-SA 4.0.