Water vapor is the gaseous phase of water . It can be obtained by the evaporation or boiling of liquid water , or by ice sublimation (sublimation is the process of subliming or converting a solid substance by way of heat into vapor ). Steam is a word closely related to vapor and water vapor. read more
Key Difference – Gas vs Vapor Gaseous phase is one of the four fundamental phases of all matter along with solid phase, liquid phase and plasma. Gases can be clearly distinguished from solid and liquid phases because, unlike in solids or liquids, the atoms are in free motion and are spread all around a container. read more