adjective. Of, relating to, or existing as a gas.

adjective. Lacking substance or concreteness; tenuous or indefinite.

adjective. Full of or containing gas; gassy.

In the form of gas or an aëriform fluid; of the nature of gas.

Figuratively, wanting substance or solidity; flimsy.

adjective. In the form, or of the nature, of gas, or of an aëriform fluid.

adjective. Lacking substance or solidity; tenuous.

adjective. Relating to, or existing as, gas.

adjective. Of a liquid containing bubbles: gassy.

adjective. Tenuous or indefinite.

adjective. existing as or having characteristics of a gas

"Specifically the H5N1 (SAa2,3Gal) receptors were found “on non-ciliated cuboidal cells at the junction between the respiratory bronchiole and alveolus” and on “a substantial number of cells lining the alveolar wall. ” (This describes the substance of the lung tissue involved in gaseous exchange.)"

aeriform  aerosolised  aerosolized  airlike  evaporated  

acidic  aqueous  aromatic  astral  atmospheric  

adulterated  aerial  aeriform  aerodynamic  aerostatic