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Noun
1. water vapour; water vapor; steam
Wikipedia definition
2. Water vaporWater vapor or water vapour, also aqueous vapor, is the gas phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Under typical atmospheric conditions, water vapor is continuously generated by evaporation and removed by condensation. It is lighter than air and triggers convection currents that can lead to clouds.
Read “Water vapor” on English Wikipedia
Read “水蒸気” on Japanese Wikipedia
Read “Water vapor” on DBpedia

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