Read the dictionary definition of combust. All definitions for this word.
1. undergo combustion
1. Maple wood burns well
2. cause to become violent or angry
1. Riots combusted Pakistan after the U.S. air attacks on Afghanistan
3. get very angry and fly into a rage
1. The professor combusted when the student didn't know the answer to a very elementary question
2. Spam makes me go ballistic
4. start to burn or burst into flames
1. Marsh gases ignited suddenly
2. The oily rags combusted spontaneously
5. cause to burn or combust
1. The sun burned off the fog
2. We combust coal and other fossil fuels