| 单词 | exothermic |
| 释义 | exothermic (once / 622069 pages) adj In chemistry, something that's exothermic has to do with the release of heat. Burning a candle is an exothermic process, since heat is given off. The scientific adjective exothermic is good for describing reactions that involve releasing energy, usually in the form of heat. Exothermic processes vary from something as simple as striking a match on a rough surface to a more extreme and violent example — an explosion. Part of what defines an exothermic reaction is that more energy is released than was required to start it. The word's Greek roots are exo, "outside," and therme, "heat." WORD FAMILYexotherm: exothermic USAGE EXAMPLES“Everything’s kind of been burned,” Bagley said, “which happens to lime boats because the lime can get exothermic reactions to water, ironically.” The Guardian(May 26, 2016) I. The reaction is third order overall II. The reaction is exothermic. US News(Mar 17, 2015) Generally speaking, there are two types of thermodynamic processes, endothermic and exothermic ones: Forbes(Mar 16, 2015) adj (of a chemical reaction or compound) occurring or formed with the liberation of heat Syn|Ant exothermal, heat-releasing energy-releasing, exoergic (of a nuclear reaction) occurring with evolution or releasing of energy endothermal, endothermic, heat-absorbing (of a chemical reaction or compound) occurring or formed with absorption of heat endoergic, energy-absorbing(of a nuclear reaction) occurring with absorption of energy decalescentabsorbing heat without increase in temperature when heated beyond a certain point |
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