watervapor
nounUK /ˈwɔːtə ˈveɪpə/
US /ˈwɔːtər ˈveɪpər/
Water vapor is water that has turned into a gas in the air.
When the sun heats the puddle, the water turns into water vapor and rises into the sky.
RELATED WORDS
OTHER MEANINGS
2. The invisible gaseous form of water that is always present in the atmosphere.
Water vapor in the air makes humid days feel sticky.
3. The misty cloud you can see when water boils.
Water vapor rose from the boiling pot on the stove.
4. The gas that forms clouds when it cools and condenses.
Cooling water vapor high in the sky turns into tiny cloud droplets.