rigid body
idealization of a solid body in which deformation is neglected (distance between any two given points of a rigid body remains constant in time regardless of external forces exerted on it)
en-GB/ˈɹɪd͡ʒɪd bɒdiː/
en-US/ˈɹɪd͡ʒɪd ˈbɑdi/
idealization of a solid body in which deformation is neglected (distance between any two given points of a rigid body remains constant in time regardless of external forces exerted on it)