单词	photoexcitation
释义	photoexcitation noun pho·​to·​ex·​ci·​ta·​tion ˌfō-tō-ˌek-ˌsī-ˈtā-shən  -ˌek-sə- : the process of exciting the atoms or molecules of a substance by the absorption of radiant energy photoexcited ˌfō-tō-ik-ˈsī-təd  -ek- adjective Word History First Known Use 1914, in the meaning defined above
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