the amount of heat produced by a substance when it is burned

when a substance is burned, the heat produced is referred to as calorie power.

English Usage: The calorific power of coal makes it a preferred choice for energy production.

Hindi Usage: कोयले की कैलोरीफिक पावर इसे ऊर्जा उत्पादन के लिए एक पसंदीदा विकल्प बनाती है।