1 A nuclear-armed Iran would ignite a nuclear arms race in the Middle East.
2 The burning foam generates such heat that other items in the room can ignite spontaneously.
3 The ignition of methane gas killed eight men.
4 He fumbled the key into the ignition.
5 Considering that most of your clothes are polyester or cotton blends, the off flow lint is a good fire ignition source.
6 The blast was caused by pockets of methane gas that ignited.
7 The powder immediately ignited and set off a chain reaction of explosions.
8 The liquid ignited when somebody dropped a match in it accidentally.
9 Climate Research, the paper that ignited his indignation is a 2003 study that turned out to be underwritten by the American Petroleum Institute.