E layer


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E layer

n.
A region of the ionosphere, extending from about 90 to 150 kilometers (55 to 95 miles) above the earth and influencing long-distance communications by strongly reflecting radio waves in the range from one to three megahertz. Also called E region, Heaviside layer, Kennelly-Heaviside layer.

E layer

n
(General Physics) another name for E region

E layer


n.
the radio-reflective ionospheric layer of maximum electron density, at an altitude of about 60 mi. (100 km).
[1930–35]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.E layer - a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
ionosphere - the outer region of the Earth's atmosphere; contains a high concentration of free electrons
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