exotherm
Noun: 1. A chemical compound that releases heat during its formation: An exotherm is a substance characterized by being formed in a chemical reaction that gives off heat to its surroundings. The heat is a product of the reaction itself. 2. The heat released during such a reaction: In a broader sense, "exotherm" can also refer to the thermal energy or heat pulse released when the compound is formed.
The term "exotherm" is primarily used in technical contexts such as chemistry, materials science, and chemical engineering. It describes either the compound produced or the heat event itself. * As a countable noun for the compound: "The researcher identified the crystalline solid as an exotherm." * To describe the heat release phenomenon: "The curing process of the resin is accompanied by a significant exotherm."
- "The polymerization reaction produces a strong exotherm, requiring careful temperature control."
- "In the lab, we measured the exotherm generated by the formation of the new alloy."
- "Safety protocols are essential when working with energetic exotherms to prevent thermal runaway."
- Exotherm Profile/Curve: A graph showing the amount of heat released over time during a reaction.
- Example: "The differential scanning calorimetry plot shows the exotherm profile of the epoxy cure."
- Exothermic vs. Exotherm: While related, "exothermic" is an adjective describing a heat-releasing process ("an exothermic reaction"), whereas "exotherm" is a noun for the resulting compound or the heat pulse.
- Exothermic (adj): Describing a process or reaction that releases heat.
- Example: "The combination of sodium and water is highly exothermic."
- Exothermicity (n): The quality or degree of being exothermic; the amount of heat released.
- Example: "The exothermicity of the compound's formation makes it useful in hand warmers."
- Heat-releasing compound
- Thermogenic substance (less common)
- Endotherm: A compound that absorbs heat during its formation and releases heat during its decomposition.
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a compound that gives off heat during its formation and absorbs heat during its decomposition
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