Definitions for "HAZMAT"
Any material which is dangerous to life, health or property due to its chemical nature or properties. Even normal household materials can be Hazardous Materials when improperly used or mixed with other incompatible materials.
Hazardous Materials. Any substance or material in a quantity or form which may be harmful or injurious to humans, domestic animals, wildlife, economic crops, or property when released into the environment. The four traditional classes are: chemical, biological, radiological, explosive.
US term for hazardous material
Hazmat is a fictional character created by Electronic Arts, in conjunction with Marvel Comics, in their first attempt to bring Marvel heroes to a video game platform, Marvel Nemesis: Rise of the Imperfects. Hazmat, along with a line of EA created villains known as the "Imperfects", can be fought against, and is also an unlockable character.