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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

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.

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

In the July issue of Astounding Stories, page seven, paragraph four, sentences fourteen and fifteen, he states that the Heaviside Layer is composed of a liquid of high viscosity.

From Astounding Stories, May, 1931 by Various

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