Dictionary.com
Thesaurus.com

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.

See Examples For:

We don’t really know what happens to the cats once they reach the Heaviside layer, whether their new life is on another plane or they return to the world we’re familiar with.

From Slate Jul. 23, 2019

There is a real Heaviside layer in Earth’s ionsphere, which technically fits the musical’s description of being located “up, up, up, up past the Russell Hotel,” the tallest building in London in Eliot’s day.

From Slate Jul. 23, 2019

Macavity eventually kidnaps Old Deuteronomy, the O.G. cat, but he gets caught and Old Deuteronomy returns in time to decide who gets to go to the Heaviside layer.

From Slate Jul. 23, 2019

Of the third and outer blanket, the Heaviside layer, very little is known, and that only inferentially.

From Time Magazine Archive

The stars visible through the laboratory windows winked violently in the disturbed air of the Heaviside layer, for the molecular ray screen was still up.

From Invaders from the Infinite by Campbell, John Wood

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training