the maximum extent of a vibration or oscillation, measured from the position of equilibrium
the amplitude of alpha rhythms
waves with amplitudes greater than or equal to 20 mm
the angular distance of a celestial object from the true east or west point of the horizon at rising or setting
breadth, range, or magnitude
the amplitude of the crime of manslaughter lies beneath murder
the angle between the real axis of an Argand diagram and a vector representing a complex number