Значения для термина "ignite spontaneously" отсутствуют.
1 These imperfect coals, when placed in a heap, ignite spontaneously .
2 That various substances ignite spontaneously is explained by chemic phenomena, the conditions of which do not exist in the human frame.
3 It throws up asphaltum, and is said to emit gaseous emanations, which ignite spontaneously , and are seen at a great distance.
4 That it would be impossible to load the Columbiad, and that the pyroxyle would ignite spontaneously under the weight of the projectile, 3,000 dols.
5 It is also pyrophoric and ignites spontaneously in air when the temperature is below 55°C.
6 The 20th century, for Japan, was like a ride on a rocket sled, with successive bundles of fuel igniting spontaneously , one after another.
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