Adjective
In the form, or of the nature, of gas, or of an aeriform fluid.
Source: Webster's dictionaryIf the hypothesis of evolution is true, living matter must have arisen from non-living matter; for by the hypothesis the condition of the globe was at one time such, that living matter could not have existed in it, life being entirely incompatible with the gaseous state. Thomas Henry Huxley
Gaseous nitrogen combines with gaseous hydrogen in simple quantitative proportions to produce gaseous ammonia. Fritz Haber
We try not to encourage demonstrations of his mastery of the gaseous arts. James Patterson
Comparatively few people know what a million dollars actually is. To the majority it is a gaseous concept, swelling or decreasing as the occasion suggests. Robertson Davies
steam is water is the gaseous state Source: Internet
A distrail forms when the heat of engine exhaust evaporates the liquid water droplets in a cloud, turning them back into invisible, gaseous water vapor. Source: Internet