Definition of thermite in English:


Line breaks: ther|mite
Pronunciation: /ˈθəːmʌɪt
(also thermit /-mɪt/)


[mass noun]
  • A mixture of finely powdered aluminium and iron oxide that produces a very high temperature on combustion, used in welding and for incendiary bombs: [as modifier]: a thermite grenade
    More example sentences
    • Early British incendiaries filled with thermite - a mixture of iron oxide and powdered aluminium - produced great heat but this dissipated quickly and was confined to a small area.
    • From his bulging bag he brought out a small, sleek pipe bomb with a thermite fuse - a home-made grenade - and showed it to the men guarding the house.
    • Other joining processes include thermite welding, laser welding, and electron-beam welding.


early 20th century: coined in German from thermo- 'of heat' + -ite1.

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