the stationary portion of an electric generator or motor, especially of an induction motor (尤指感应电动机的)定子 ■a row of small stationary aerofoils fixed to the casing of an axial-flow turbine, positioned between the rotors (置于轴流式涡轮机的转子之间的)固定片
语源
late 19th cent.: from stationary, on the pattern of rotor