forming or generating gas or air
Production of gas, as by a microorganism. ... Origin: aero-+ G. Genesis, origin ... (05 Mar 2000) ... 
(ār″o-jen´ә-sis) formation or production of gas.
Type: Term Pronunciation: ār-ō-jen′ĕ-sis Definitions: 1. Production of gas, as by a microorganism.
aerogenesis Production of gas, as with microorganisms.