Ther·mit (thûr m t, -m t ) A trademark used for a welding and incendiary mixture of fine aluminum powder with a metallic oxide, usually iron, that when ignited yields an intense heat. |
Thermit [ˈθɜːmɪt], Thermite [ˈθɜːmaɪt]
n
(Military / Firearms, Gunnery, Ordnance & Artillery)™ a mixture of aluminium powder and a metal oxide, such as iron oxide, which when ignited reacts with the evolution of heat to yield aluminium oxide and molten metal: used for welding and in some types of incendiary bombs
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