amplitude

The greatest amount by which a regularly changing value moves away from its central value.

• The signal has a low amplitude.
• Louder sounds have greater amplitudes.
• We measured the amplitude of each vibration.

How to use it: amplitude of something (The amplitude of the sound wave increased.)

Common phrases: wave amplitude, signal amplitude, amplitude of something

The greatest distance of a repeating curve above or below its central line.

• The curve has an amplitude of two.
• Calculate the amplitude from the graph.
• These functions have different amplitudes but the same period.

How to use it: amplitude of something (The amplitude of this sine curve is three.)

Common phrases: amplitude of something, maximum amplitude, sine amplitude

How large or wide something is.

• The hall's amplitude surprised us.
• She admired the amplitude of the valley.
• The report describes the amplitude of the damage.

How to use it: amplitude of something (The amplitude of the landscape impressed the visitors.)

Similar words: size, extent, breadth, magnitude

Common phrases: great amplitude, amplitude of something