torsion tensor
(1,2)-tensor field associated to an affine connection; characterizes "twist" of geodesics; if nonzero, geodesics will be helices
en-US/ˈtɔɹʃən ˈtɛnsɚ/
en-GB/ˈtɔːʃn ˈtɛnsə/
(1,2)-tensor field associated to an affine connection; characterizes "twist" of geodesics; if nonzero, geodesics will be helices