Kennelly-Heaviside layer

[ ken-l-ee hev-ee-sahyd ]

noun

, Physics.

1. E layer.

Kennelly-Heaviside layer

noun

1. See E region

Kennelly-Heaviside layer

/ kĕn′ə-lē-hĕv′ē-sīd′ /

1. See E layer

Word History and Origins

Origin of Kennelly-Heaviside layer¹

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

Example Sentences

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