The instruments that measure water vapor content in the air are called a hygrometer and psychrometer. Water vapor is water suspended in the atmosphere in the form of an invisible g...
Water vapor, water vapour or aqueous vapor, is the gaseous phase of water. It is
one state of water within the hydrosphere. Water vapor can be produced from ... More »
Water vapor is water that is in the form of a vapor, or gas. It is a part of the water
cycle. When liquid water is heated to boiling temperature, 100 degrees Celsius, ...
Nov 27, 2010 ... Water vapor is water in its gaseous state-instead of liquid or solid (ice). Water
vapor is totally invisible. If you see a cloud, fog, or mist, these are ...
a dispersion, in air, of molecules of water, especially as produced by evaporation
at ambient temperatures rather than by boiling. Compare steam (def 2).
Water vapor is also the most important greenhouse gas in the atmosphere. Heat
radiated from Earth's surface is absorbed by water vapor molecules in the lower ...
Water vapour is the most dominant greenhouse gas. Water vapour is also the
dominant positive feedback in our climate system and amplifies any warming ...
Water in a gaseous state, especially when diffused as a vapor in the atmosphere
and at a temperature below boiling point. American Heritage® Dictionary of the ...