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FitzGerald contraction

American  

noun

Physics.

  1. the hypothesis that a moving body exhibits a contraction in the direction of motion when its velocity is close to the speed of light.

Etymology

Origin of FitzGerald contraction

First recorded in 1915–20; named after G. F. FitzGerald

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.