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lorentz fitzgerald contraction

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Lo⋅rentz-Fitz⋅Ger⋅ald contrac⋅tion

[lawr-uhnts-fits-jer-uhld, lohr-]
–noun Physics.
FitzGerald contraction.

Origin:
1920–25

FitzGerald contraction

–noun Physics.
the hypothesis that a moving body exhibits a contraction in the direction of motion when its velocity is close to the speed of light.
Also called Fitz⋅Ger⋅ald-Lo⋅rentz contrac⋅tion [fits-jer-uhld lawr-ents, -lohr-] , Lorentz-FitzGerald contraction, Lorentz contraction, length contraction.


Origin:
1915–20; named after G. F. FitzGerald
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Science Dictionary
Lorentz-FitzGerald contraction   (lôr'ənts-fĭts-jěr'ld)  Pronunciation Key 
The shortening of an object along its direction of motion as its speed approaches the speed of light, as measured by an observer at rest with respect to the body. Lorentz-FitzGerald contraction is an effect predicted by Einstein's theory of Special Relativity. It is named for Dutch physicist Hendrik Lorentz and Irish physicist George Francis FitzGerald (1851-1901), who independently proposed such a contraction. See more at relativity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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