1. substances that speed up or intensify a process, especially the spread of fire
Usage: often used in forensic contexts

Examples

• Fire investigators found traces of accelerants at the scene.
• Gasoline and other accelerants can make fires spread rapidly.
• The arsonist used multiple accelerants to ensure the building would burn quickly.
• Forensic experts tested for accelerants in the debris.
• Common accelerants include alcohol, kerosene, and lighter fluid.
• The presence of accelerants suggested the fire was intentionally set.