amplitude

The measure of the size of something, especially its width or breadth; largeness, magnitude.

The cathedral of Lincoln […] is a magnificent structure, proportionable to the amplitude of the diocese.

amplitude of mind

The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.

The maximum absolute value of some quantity that varies.

The arc of the horizon between the true east or west point and the center of the sun, or a star, at its rising or setting. At the rising, the amplitude is eastern or ortive: at the setting, it is western, occiduous, or occasive. It is also

The arc of the horizon between the true east or west point and the foot of the vertical circle passing through any star or object.