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[nahy-troj-uh-neys, -neyz, nahy-truh-juh-] /naɪˈtrɒdʒ əˌneɪs, -ˌneɪz, ˈnaɪ trə dʒə-/
noun, Biochemistry
an enzyme complex that catalyzes the reduction of molecular nitrogen in the nitrogen-fixation process of bacteria.
Origin of nitrogenase
1930-35; nitrogen + -ase Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for nitrogenase
  • These microbes extract nitrogen from the air using an enzyme called, appropriately enough, nitrogenase.
nitrogenase in Medicine

nitrogenase ni·trog·e·nase (nī-trŏj'ə-nās', -nāz', nī'trə-jə-)
An enzyme of certain bacteria that activates the conversion of nitrogen to ammonia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nitrogenase in Science
  (nī-trŏj'ə-nās', nī'trə-jə-)   
An enzyme of nitrogen-fixing bacteria that catalyzes the conversion of nitrogen to ammonia.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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