HyperDic: e_region

English > 1 sense of the expression E region:
NOUNlocationE region, Heaviside layer, Kennelly-Heaviside layer, E layera region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
English > E region: 1 sense > noun 1, location
MeaningA region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length.
SynonymsHeaviside layer, Kennelly-Heaviside layer, E layer
Instance ofregion, partThe extended spatial location of something
Part ofionosphereThe outer region of the Earth's atmosphere

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