Aeriform

a.

1.

Having the form or nature of air, or of an elastic fluid; gaseous. Hence fig.: Unreal.

Adj.	1.	aeriform - resembling air or having the form of air Synonyms: airlike
	2.	aeriform - characterized by lightness and insubstantiality; as impalpable or intangible as air; "figures light and aeriform come unlooked for and melt away"- Thomas Carlyle; "aerial fancies"; "an airy apparition"; "physical rather than ethereal forms" Synonyms: aery, ethereal, aerial, airy

airlike, gaseous