Amplitude (noun)

The magnitude of a wave, especially as a measure of its energy or power.

Origin:

Late 17th century: from latin amplitudo "largeness", from amplus "large".

Examples:

1. The amplitude of the waves increased as the wind grew stronger.
2. In physics, amplitude is a measure of the amount of disturbance in a wave.
3. The amplitude of the sound wave was proportional to the volume of the sound.
4. The amplitude of the light wave was related to its brightness.
5. Amplitude is often represented graphically as the height of a wave from its center line to its peak or trough.