Noun
The setting of fires; arson.
(mining, historical) The use of fire to soften or crack the working face of a lode, to facilitate excavation; later superseded by the use of explosives.
Source: en.wiktionary.orgThe use of Firesetting in the Granite Quarries of South India Paul T. Craddock The Bulletin of the Peak District Mines Historical Society, Vol. 13 Number 1. 1996 In 1762, the world's first mining academy was established in the same town. Source: Internet