Gaseous \Gas"e*ous\ (? or ?; 277), a. [From Gas. Cf. F. gazeux.]

1. In the form, or of the nature, of gas, or of an a["e]riform fluid.

2. Lacking substance or solidity; tenuous. ``Unconnected, gaseous information.'' --Sir J. Stephen.

Source: Webster's Revised Unabridged Dictionary (1913)