volatile alkali

noun

Roget 334: gaseity^†; vaporousness etc. adj.; flatulence, flatulency; volatility; aeration, aerification.    elastic fluid, gas, air, vapor, ether, steam, essence, fume, reek, effluvium, flatus; cloud etc. 353; ammonia, ammoniacal gas^†; volatile alkali; vacuum, partial vacuum.    [Science of elastic fluids] pneumatics, pneumatostatics^†; aerostatics^†, aerodynamics.    gasmeter^†, gasometer^†; air bladder, swimming bladder, sound, (of a fish). ... show more

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