ローレンツ短たん縮しゅくローレンツたんしゅくMeanings1nounLorentz contraction; length contractionphysics›Physics term for the relativistic shortening of an object's length along the direction of motion. Often used interchangeably with ローレンツ収縮.See also: ローレンツ収縮ローレンツ短たん縮