zì​rán

spontaneous combustion

自燃 zì​rán
spontaneous combustion
The process by which a substance catches fire through internal chemical action such as slow oxidation; autoignition
spontaneously ignite
To catch fire spontaneously through a process such as slow oxidation

Frequency

Movie subtitles
1.61 per million appears in 0% of films
Written text
1.45 per million

Sources