The horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis

Act of accelerating; increase of speed or velocity.

An instrument for measuring electric current especially in amperes

1- The extent of a vibratory movement (as of a pendulum) measured from the mean position to an extreme 2- The maximum departure of the value of an alternating current or wave from the average value

During discharge, the positive electrode is a cathode, and the negative electrode is an anode.

A law of fluid mechanics: a body while wholly or partly immersed in a fluid apparently loses weight by an amount equal to that of the fluid displaced