Lorentz-FitzGeraldcontraction

Lo·rentz-Fitz·Ger·ald contraction (lôrʹənts-fĭts-jĕrʹld, lōrʹ-) n.

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. Also called length contraction, Lorentz contraction.

  [After Lorentz, Hendrik, and and George FrancisFitzGerald (1851-1901), Irish physicist.]

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