aluminothermy
/əˈluːmɪnəʊˌθəːmi/ /əˈljuːmɪnəʊˌθəːmi/(also aluminothermie) Metallurgy
noun
The production of high temperatures by the use of aluminium powder as a reducing agent, especially in a reaction with ferric oxide; reaction of aluminium in this way, with the liberation of heat.
Origin
Early 20th century; earliest use found in Engineering Magazine. From German Aluminothermie.