Meaning & use
vapor
A substance in the form of a gas, especially one that is normally liquid or solid at room temperature.
See it in a sentence
Steam is water vapor that has been heated until it rises into the air.
Vapor rose slowly from the hot spring on the cold morning air.
A note on using this word
American English spells it "vapor"; British English spells it "vapour."
Words with a similar meaning
steammist
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