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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-hĕvē-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

They surge through & around obstacles or up against and down from the ionized Kennelly-heaviside layer of the stratosphere.

From Time Magazine Archive

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

From Time Magazine Archive

Among those thus recently honored: Arthur Edwin Kennelly, 74, professor emeritus of electrical engineering at Harvard University and Massachusetts Institute of Technology, onetime assistant to Thomas A. Edison, codiscoverer of the radio-reflecting region of electrified air called the Kennelly-Heaviside Layer; the Mascart Medal, awarded every three years by the Societe Franchise des Electriciens: for contributions to pure science and for services on international commit tees whose efforts culminated last sum mer in the adoption of the centimetre-gram-second system of units by the Inter national Electrotechnical Commission.

From Time Magazine Archive