aeriform

[ air-uh-fawrm, ey-eer- ]
/ ˈɛər əˌfɔrm, eɪˈɪər- /

adjective

having the form or nature of air; gaseous.
unsubstantial; unreal.

Origin of aeriform

First recorded in 1780–90; aeri- + -form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aeriform

British Dictionary definitions for aeriform

aeriform
/ (ˈɛərɪˌfɔːm) /

adjective

having the form of air; gaseous
unsubstantial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012