Water vapour.
The gaseous form of water is called water vapor.
Water in a gaseous state is water vapour, or mist. It is commonly known as steam if the water has been heated.
Gaseous water is called vapours.
The gaseous form of water is called water vapor. It is formed when liquid water evaporates into the air.
Gaseous water is called steam.
water vapour
Gaseous water is known as water vapor.
The process that changes water into a gaseous state is called evaporation, where water is heated and transforms into vapor or steam.
The gas form of water is called steam or water vapor.
Water vapor
sublimation
Water that is in a gaseous state is called water vapouror steam.