单词 | nitrogen fixation |
释义 | Word Frequency nitrogen fixationnoun 1. the conversion of atmospheric nitrogen into nitrogen compounds by certain bacteria, such as Rhizobium in the root nodules of legumes 2. a process, such as the Haber process, in which atmospheric nitrogen is converted into a nitrogen compound, used esp for the manufacture of fertilizer Derived forms nitrogen-fixing (ˈnitrogen-ˌfixing) adjective |
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