What is Vapor?
{{wikt}} '''Vapor''' ([[British English]]: '''vapour''') is when small drops of [[liquid]] float in the air. Sometimes this happens because the liquid has been heated. Vapor is not the same as [[gas]]. It is a mixture of liquid and gas. The usual word for this is [[:wikt:steam|steam]]. {{science-stub}} {{States of matter}} [[Category:water]]