SG Heritage Dictionary

Gaseous [Adjective] Webster's Dictionary 1828

In the form of gas or an aeriform fluid.

Gaseous [Adjective] Webster's Dictionary 1913

1. In the form, or of the nature, of gas, or of an aeriform fluid.

2. Lacking substance or solidity; tenuous.

Gaseity Roget’s Thesaurus §334

N. gaseity, vaporousness, flatulence, # flatulency, volatility, aeration, aerification, elastic fluid, gas, air, vapor, ether, steam, essence, fume, reek, effluvium, flatus, cloud, ammonia, ammoniacal gas, volatile alkali, vacuum, partial vacuum, pneumatics, pneumatostatics, aerostatics, aerodynamics, gasmeter, gasometer, air bladder, swimming bladder, sound (of a fish)