deflection
de.flec.tion \di-'flek-sh*n\ n 1: a turning aside or off course : DEVIATION 2: the departure of an indicator or pointer from the zero reading on the sc ale of an instrument
de.flec.tion \di-'flek-sh*n\ n 1: a turning aside or off course : DEVIATION 2: the departure of an indicator or pointer from the zero reading on the sc ale of an instrument