Lorentz-Fitzgerald contraction

Etymology
Named after Hendrik Lorentz and George Francis FitzGerald.

Noun

 * 1) The decrease in length of a moving object in the direction of motion, measurable only at relativistic speeds.

Translations

 * Danish: længdeforkortelse
 * Finnish: pituuskontraktio
 * German: Längenverkürzung,, Lorentzkontraktion