A gaseous product, formed in coal mines, old wells, pits, etc.
Moisture; humidity; dampness.
To suppress vibrations (mechanical) or oscillations (electrical) by converting energy to heat (or some other form of energy).
In a state between dry and wet; moderately wet; moist.
Despondent; dispirited, downcast.
Any substance that can be fused or melted.
Able to be fused or melted.