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Kennelly-Heaviside layer

American  
[ken-l-ee hev-ee-sahyd] / ˈkɛn l i ˈhɛv iˌsaɪd /

noun

Physics.

  1. E layer.

Kennelly-Heaviside layer British  

noun

  1. 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
Kennelly-Heaviside layer Scientific  
/ kĕn′ə-lē-hĕv′ē-sīd′ /

  1. See E layer

Etymology

Origin of Kennelly-Heaviside layer

1920–25; named after Arthur Edwin Kennelly (1861–1939), U.S. electrical engineer, and 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.

In radio's pioneer days, when only one layer was known, it was called the Kennelly-Heaviside layer after its discoverers.

From Time Magazine Archive

Oliver Heaviside is best remembered today as co-discoverer of the Kennelly-Heaviside layer, or ionosphere, which reflects radio waves and thus makes long-distance reception possible.

From Time Magazine Archive

Ordinarily radio waves are held close to Earth by the Kennelly-Heaviside layer of electrified air.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.