bonbonne.
demijohn, carboy
Meaning & usage
demijohn, carboy
gas cylinder
Une bonbonne de gaz.
Where this word comes from
From Occitan boumbouno m [from boumbo + -ouno, ultimately from Latin bombus and -ōnem], made feminine under the influence of French bonne (unrelated), and with change of bomb- to bonb- under the influence of French bonbon (also unrelated). By surface analysis, bombe + -on. Although less common, the spelling bombonne more accurately reflects the Latin bomb- root.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.