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Heaviside layer

American  

noun

  1. E layer.


Heaviside layer British  

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 Scientific  
/ hĕvē-sīd′ /
  1. See E region


Etymology

Origin of Heaviside layer

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Nature

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

From Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg

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

From Project Gutenberg