nitrogen fixer

noun

any of various microorganisms in the soil involved in the process of nitrogen fixation.

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a granular metamorphic rock.
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Origin of nitrogen fixer

First recorded in 1910–15

Words nearby nitrogen fixer

nitrogen cycle, nitrogen dioxide, nitrogen distribution, nitrogen equivalent, nitrogen fixation, nitrogen fixer, nitrogen fixing, nitrogen lag, nitrogen monoxide, nitrogen mustard, nitrogen narcosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020