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

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

A tribe of cats must decide yearly which one will ascend to the Heaviside Layer and come back to a new life.

From Los Angeles Times ● Oct. 2, 2020

"Is it possible, madam!" replied Mr Heaviside, looking at the lady with well-feigned astonishment.

From Newton Forster by Marryat, Frederick

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