Final answer:
Pyromania is a psychological disorder characterized by a compulsion to set fires.
Step-by-step explanation:
The word that means an uncontrollable desire or madness for burning things is pyromania. The word is derived from the Greek roots 'pyro' meaning fire, and 'mania' meaning madness. Pyromania is a psychological disorder characterized by a compulsion to set fires.
Learn more about Greek and Latin roots