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accelerant
Accelerants play a major role in chemistry. Most chemical reactions can be hastened with an accelerant. Accelerants alter a chemical bond, speed up a chemical process, or bring organisms back to homeostasis. Accelerants are not necessarily catalysts as they may be consumed by the process. An accelerant can be any substance that can bond, mix, or disturb another substance and cause an increase in the speed of a natural, or artificial chemical process.
==Fire==
(詳細はfire protection, the term accelerant is used very broadly to include any substance or mixture that "accelerates" the development of fire to commit arson. Chemists would distinguish an accelerant from a fuel; the terms are not, in the truest sense of chemical science, interchangeable. Some fire investigators mistakenly use the term "accelerant" to mean any substance that initiates and promotes a fire without differentiating between an accelerant and a fuel. To a chemical engineer, "gasoline" is not at all considered an "accelerant;" it is more accurately considered a "fuel."
A fire is a self-sustaining, exothermic oxidation reaction that emits heat and light. When a fire is accelerated with a true accelerant like oxygen bearing liquids and gases (like ) it can produce more heat, consume the actual fuels more quickly, and increase the spread of the fire. Fires involving liquid accelerants, like gasoline, burn more quickly, but at the same temperature as fires involving ordinary fuels.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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