gaseous
adj. B2 Upper Intermediate US //ˈɡæsiəs// UK //ɡˈeɪsiəs// gaseous
adj. describing something that is in the form of gas. You use this to talk about things that are not solid or liquid, like steam or smoke.
adj. existing in the state of a gas; consisting of gas. Often used to describe physical states of matter or substances that have been converted into a gaseous form.
The water turned into a gaseous state when it boiled.
The chemical reaction produced a gaseous byproduct that needed to be vented safely into the atmosphere.
The planet's atmosphere is primarily composed of gaseous nitrogen and oxygen, with trace amounts of other volatile compounds that contribute to its unique weather patterns.
From gas + -eous.