51Թ

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Heaviside layer

noun



Heaviside layer

noun

  1. the E region of the ionosphere See E region
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Heaviside layer

/ ĕŧ-ī′ /

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51Թ History and Origins

Origin of Heaviside layer1

First recorded in 1910–15; named after O. Heaviside
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Example Sentences

Examples have not been reviewed.

Experimentally confirmed in the 1920s, this reflective portion is now known as the Kennelly–Heaviside layer.

From

The pips and the signals were bright and clear, coming through the ionosphere, the Heaviside layer as they had been designed to do.

From

The signal was coming from "M-I-T-A," the Earth company's home station on the Moon, outside the Heaviside layer.

From

It was a bare hundred miles or less to that wonderful world below, but there was the Heaviside layer, and the weak signals beat but feebly against it.

From

They are already in operation, sending their defensive waves against the Heaviside layer.

From

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HeavisideHeaviside unit function