Heaviside

American

[hev-ee-sahyd] / ˈhɛv iˌsaɪd /

noun

Oliver, 1850–1925, English physicist.

Heaviside British

/ ˈhɛvɪˌsaɪd /

noun

Oliver. 1850–1925, English physicist. Independently of Kennelly, he predicted (1902) the existence of an ionized gaseous layer in the upper atmosphere (the Heaviside layer ); he also contributed to telegraphy

"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

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Heaviside

There’s no Betty Buckley in the cast to catapult “Memory,” the show’s indelible power ballad, to the Heaviside Layer, the land of rebirth for one lucky chosen cat.

From Los Angeles Times ● May 1, 2026

The concept of gravitational waves dates back to 1893 and 1905, when Oliver Heaviside and Henri Poincaré first proposed related ideas.

From Science Daily ● Oct. 18, 2025

The company had recently completed work on Heaviside, a flying car prototype meant to operate quietly in denser living spaces.

From Washington Times ● Sep. 22, 2022

Kitty Hawk’s Heaviside 2 crashed in a field near Tres Pinos, California, on Oct.

From Seattle Times ● Aug. 8, 2022

He is referred also to "Electrical Papers" and "Electromagnetic Theory" of Oliver Heaviside.

From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Kempster Miller

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