(historical) A type of Victorian seltzer bottle, consisting of two mesh-encased glass globes arranged so that a reaction between tartaric acid and sodium bicarbonate produced carbon dioxide gas which carbonated the enclosed beverage and expelled it through a siphon valve.

plural of gasogene

An apparatus for the generation of gases, or for impregnating a liquid with a gas, or a gas with a volatile liquid. / A volatile hydrocarbon used as an illuminant or for charging illuminating gas.

plural of gasogen

That forms a gas when in bulk