Moisture; humidity; dampness.
Fog; fogginess; vapor.
Dejection or depression; something that spoils a positive emotion (such as enjoyment, satisfaction, expectation or courage) or a desired activity.
A gaseous product, formed in coal mines, old wells, pits, etc.
To dampen; to make moderately wet
to damp cloth
To put out, as fire; to weaken, restrain, or make dull.
To suppress vibrations (mechanical) or oscillations (electrical) by converting energy to heat (or some other form of energy).