E region


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E region

n.

E region

or

E layer

n
(General Physics) a region of the ionosphere, extending from a height of 90 to about 150 kilometres. It reflects radio waves of medium wavelength. Also called: Heaviside layer or Kennelly-Heaviside layer See also ionosphere
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Noun1.E region - 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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