English dictionary



Hint: Question mark (?) is a wildcard. Question mark substitutes one character.

English noun: D-layer

1. D-layer (location) the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves


SynonymsD region


Instance hypernympart, region


Part meronymionosphere









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk