English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
English noun: D region | |||
| 1. | D region (location) the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves | ||
| Synonyms | D-layer | ||
| Instance hypernym | part, region | ||
| Part meronym | ionosphere | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk