[ nahy-truh-juhn-fik-sing ]
/ ˈnaɪ trə dʒənˌfɪk sɪŋ /
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involved in or aiding the process of nitrogen fixation.
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Origin of nitrogen-fixing
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nitrogen-fixing in a sentence
The soil must be well ventilated to supply nitrogen for the nitrogen-fixing germs and oxygen for the nitrifying germs.
To do their work well the nitrogen-fixing germs and the nitrifying germs require certain conditions.
This they do not of their own power but through the aid of very minute plants called bacteria or nitrogen-fixing germs.
Such plants as are hosts for the nitrogen-fixing bacteria are planted early in the season.A Civic Biology|George William Hunter
Nitrogen-fixing bacteria also add to the stores of nitrogen compounds.The Enclosures in England|Harriett Bradley
Cultural definitions for nitrogen-fixing
The conversion of atmospheric nitrogen (which plants cannot absorb) into forms of nitrogen that plants can absorb. Bacteria in the topsoil carry out the conversion.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.