thermite

[ thur-mahyt ]
/ ˈθɜr maɪt /

noun

a mixture of finely-divided metallic aluminum and ferric oxide that when ignited produces extremely high temperatures as the result of the union of the aluminum with the oxygen of the oxide: used in welding, incendiary bombs, etc.

Origin of thermite

First recorded in 1895–1900; therm- + -ite1

Example sentences from the Web for thermite