A sudden and violent release of pressure and gas caused by the ignition of coal dust suspended in air.

कोयले की धूल का विस्फोट

English Usage: The mine was closed after a coal dust explosion occurred last week.

Hindi Usage: पिछले हफ्ते कोयला धूल विस्फोट के बाद खदान को बंद कर दिया गया था।