The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.
A period of time without wind.
The state of being calm; absence of noise and disturbance.
with few or no waves on the surface; not rippled.
Peaceful, quiet, especially free from anger and anxiety.
Free of noise and disturbance.
Without wind or storm.
To become calm.
To make calm.
the perceptual strength or amplitude of sound pressure, measured in sones or phons
the physical strength of the sound pressure level, measured in decibels