What does -ance mean? Definitions for -ance Here are all the possible meanings and translations of the word -ance.
Amplitudes are expressed either as instantaneous values or mostly as peak values. Amplitude is the fluctuation or displacement of a wave from its mean value. With sound waves, it is the extent to which air particles are displaced, and this amplitude of sound or sound amplitude is experienced as the loudness of sound.
1 Wave Frequency-The number of waves that pass a particular point in a given time period. 2  Amplitude-One-half the wave height or the distance from either the crest or the trough to the still-water line. 3  Depth-the distance from the ocean bottom to the still-water line.