combust

“The oily rags combusted spontaneously”

Types:: blow out
erupt in an uncontrolled manner; catch
start burning; light up
start to burn with a bright flame

Type of:: change state, turn
undergo a transformation or a change of position or action

“We combust coal and other fossil fuels”

: catch fire, conflagrate, erupt, ignite, take fire
start to burn or burst into flames

Types:: show 9 types...; hide 9 types...; ignite, light
cause to start burning; subject to fire or great heat; set ablaze, set afire, set aflame, set on fire
set fire to; cause to start burning; char, coal
burn to charcoal; deflagrate
cause to burn rapidly and with great intensity; fire up, light, light up
begin to smoke; reignite
ignite anew, as of something burning; conflagrate, enkindle, inflame, kindle
cause to start burning; light up
ignite; flare up
ignite quickly and suddenly, especially after having died down

Types:: show 8 types...; hide 8 types...; burn down, burn up, go up
burn completely; be consumed or destroyed by fire; smolder, smoulder
burn slowly and without a flame; scorch, sear, singe
become superficially burned; deflagrate
burn with great heat and intense light; flame
be in flames or aflame; blaze up, burn up, flame up, flare
burn brightly; blaze
burn brightly and intensely; incinerate
become reduced to ashes

Type of:: change state, turn
undergo a transformation or a change of position or action

“The professor combusted when the student didn't know the answer to a very elementary question”

Synonyms:: blow a fuse, blow one's stack, blow up, flip one's lid, flip one's wig, fly off the handle, go ballistic, have a fit, have kittens, hit the ceiling, hit the roof, lose one's temper, throw a fit

“Riots combusted Pakistan after the U.S. air attacks on Afghanistan”

DEFINITIONS OF: combust