[mass noun]a system of complementary medicine based on the diagnosis and manipulative treatment of misalignments of the joints, especially those of the spinal column, which are held to cause other disorders by affecting the nerves, muscles, and organs 按摩疗法
派生 chiropractor noun 语源
late 19th cent.: from chiro- 'hand' + Greek praktikos 'practical', from prattein 'do'