Portfire - definition, pronunciation, transcription

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Amer.  |pɔːrtˌfaɪər|
Brit.  |ˈpɔːtfaɪə|  British pronunciation of the word portfire

noun

- A case of strong paper filled with a composition of nitre, sulphur, and mealed powder, used principally to ignite the priming in proving guns, and as an incendiary material in shells.
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