Fires
Fires
Fires (pronunciation: /ˈfaɪərz/) are rapid oxidation processes that produce heat, light, and various reaction products. The etymology of the word "fire" comes from the Old English fyr, which is of Germanic origin; related to Dutch vuur and German Feuer.
Definition
A fire is a chemical reaction that releases heat and light. It typically occurs when oxygen in the air reacts with a fuel source, such as wood or gasoline. The process is known as combustion.
Causes
Fires can be caused by a variety of factors, including natural phenomena like lightning strikes and volcanic eruptions, as well as human activities such as cooking, smoking, and improper disposal of flammable materials.
Types of Fires
There are several types of fires, classified based on the materials involved and the conditions under which they occur. These include:
- Class A Fires: Fires involving ordinary combustible materials such as wood, paper, and cloth.
- Class B Fires: Fires involving flammable liquids, gases, and greases.
- Class C Fires: Fires involving energized electrical equipment.
- Class D Fires: Fires involving combustible metals.
- Class K Fires: Fires involving cooking oils and fats.
Fire Safety
Fire safety involves measures designed to prevent fires and limit the damage they cause. These measures include fire safety education, installation of fire detection and suppression systems, and adherence to fire safety codes and standards.
Related Terms
- Combustion: A chemical reaction that occurs between a fuel and an oxidizing agent, producing heat and light.
- Firefighting: The act of extinguishing fires and preventing their spread.
- Fire Prevention: Measures taken to prevent the outbreak of fires.
- Fire Hazard: A situation that increases the likelihood of a fire.
- Fire Extinguisher: A device used to control or extinguish small fires.
External links
- Medical encyclopedia article on Fires
- Wikipedia's article - Fires
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