gasogene

== English == === Alternative forms === gazogene === Etymology === From gas + -o- + -gene. === Noun === gasogene (plural gasogenes) (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. ==== Synonyms ==== seltzogene