Definition of fire
i. To explode or blow up. The expression 'the pit has fired' signifies that an explosion of combustible gases has taken place.
Ref: Fay
ii. To blast or explode with ammonium nitrate-fuel oil (ANFO), dynamite, or other explosive.
iii. A word shouted by miners as warning just before a shot is fired.
Ref: Fay
iv. Fuel in a state of combustion, as on a hearth, in a grate, or furnace. A manifestation of rapid combustion or combination of materials with oxygen.
v. Flashes of different spectral colors seen in diamonds and other gemstones with high birefringence as a result of dispersion.
Compare with: play of color
Ref: Fay
ii. To blast or explode with ammonium nitrate-fuel oil (ANFO), dynamite, or other explosive.
iii. A word shouted by miners as warning just before a shot is fired.
Ref: Fay
iv. Fuel in a state of combustion, as on a hearth, in a grate, or furnace. A manifestation of rapid combustion or combination of materials with oxygen.
v. Flashes of different spectral colors seen in diamonds and other gemstones with high birefringence as a result of dispersion.
Compare with: play of color