nitrogen-fixer
noun Date: 1912 any of various soil microorganisms that are involved in nitrogen fixation

New Collegiate Dictionary. 2001.

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  • nitrogen fixer — noun : any of various soil organisms involved in the process of nitrogen fixation * * * any of various microorganisms in the soil involved in the process of nitrogen fixation. [1910 15] …   Useful english dictionary

  • nitrogen-fixer — See nitrogen fixation. * * * …   Universalium

  • nitrogen fixer — any of various microorganisms in the soil involved in the process of nitrogen fixation. [1910 15] * * * …   Universalium

  • nitrogen fixer — noun a plant or other organism which accomplishes nitrogen fixation …   Wiktionary

  • nitrogen fixer — ni′trogen fix er n. chem. any of various microorganisms in the soil involved in the process of nitrogen fixation • Etymology: 1910–15 …   From formal English to slang

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