| 单词 | photoreduction | 
| 释义 | Word Frequency photoreduction(ˌfəʊtəʊrɪˈdʌkʃən) noun 1.  physics the addition of an electron to a species whose energy has been increased by the absorption of a photon  2.  chemistry a chemical reduction that takes place in the presence of light or other electromagnetic radiation | 
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