单词	nitrogenase
释义	nitrogenase noun ni·​tro·​ge·​nase nī-ˈträ-jə-ˌnās  ˈnī-trə-jə-  -ˌnāz : an enzyme of various nitrogen-fixing bacteria that catalyzes the reduction of molecular nitrogen to ammonia Word History First Known Use 1934, in the meaning defined above Medical Definition nitrogenase noun ni·​tro·​ge·​nase nī-ˈträj-ə-ˌnās  ˈnī-trə-jə-  -ˌnāz : an iron- and molybdenum-containing enzyme of various nitrogen-fixing microorganisms (as some bacteria) that catalyzes the reduction of molecular nitrogen to ammonia
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