Heaviside layer

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Heav·i·side layer


[After Oliver Heaviside (1850-1925), British physicist.]

Heaviside layer

(Physical Geography) the E region of the ionosphere. See E region
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Noun1.Heaviside 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