- nitrogen fixation
- /naɪtrədʒən fɪkˈseɪʃən/ (say nuytruhjuhn fik'sayshuhn)
1. any process of combining free nitrogen from the air with other elements, either by chemical means or by bacterial action, used especially in the preparation of fertilisers, industrial products, etc.
2. this process as performed by bacteria (nitrogen fixers) found in the soil or in the nodules of leguminous plants, which make the resulting nitrogenous compounds available to their host plants.
Australian English dictionary. 2014.
Look at other dictionaries:
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