What is another word for "aeriform"?

Roget's Thesaurus (1911) lists these synonyms for "aeriform": aeration, aerial, aerification, aerodynamics, aerography, aerology, aerometer, aerometry, aeronaut, aeronautics, aeroscope, aeroscopy, aerosphere, aerostatics, aerostation, air, airy, alkali, ammonia, ammoniacal, and, aneroid, atmosphere, atmospheric, barometer, baroscope, belle, bladder, blue, climate, climatology, cloud, cock, common, diffuse, effervescent, effluvium, elastic, emit, essence.