Definitions for "WATER VAPOR"
Water diffused as a gas in the atmosphere.
water in its gaseous state.
Water in gaseous form. It is one of the most abundant greenhouse gases. Methane turns into water vapor at high altitudes. This contributes significantly to the greenhouse effect.
Keywords:  mist, droplets, tiny, air, form
Water in the form of mist or tiny droplets in the air
A synonym for steam, usually used to denote steam of low absolute pressure.