1. Existing as or having characteristics of a gas
   "steam is water is the gaseous state"

See also: aeriform, aerosolised [Brit], aerosolized, airlike, evaporated, gas, gaseousness, gasified, gassy, state, state of matter, vaporific, vaporised [Brit], vaporish [US], vaporized, vaporous, vapory [US], vapourific [Brit, Cdn], vapourised [Brit], vapourish [Brit, Cdn], vapourous [Brit, non-standard], vapoury [Brit, Cdn], volatilised [Brit], volatilized

Antonym: liquid, solid

Encyclopedia: Gaseous

• alto rilievo
• alto saxophonist
• altocumulus
• altocumulus cloud
• altogether
• altoist
• Alton Glenn Miller
• Altoona
• altostratus
• altostratus cloud
• altricial
• altruism
• altruist
• altruistic
• altruistically
• alula
• alular
• alum
• alumbloom
• alumina
• aluminate
• aluminiferous
• aluminise
• aluminium
• aluminium bronze