A cylindrical metal container or canister for storing gases or liquids under pressure, commonly used for propane or diving air.
Italian diminutive from 'bomba' (sphere, bomb). The name references the rounded, pressurized shape and possibly the explosive potential of pressurized gases.
Divers and campers use bombolas constantly, but most English speakers never learned the proper name—it's an Italian term that never got fully adopted into English, making it a linguistic gap in everyday vocabulary!
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