nitrogen fixation

noun

Definition of nitrogen fixation

: the conversion of atmospheric nitrogen into a combined form (such as ammonia) through chemical and especially biological action (such as that of soil rhizobia)

Recent Examples of nitrogen fixation from the Web

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First Known Use of nitrogen fixation

1893


NITROGEN FIXATION Defined for Kids

nitrogen fixation

noun nitrogen fix·a·tion \ -fik-ˈsā-shən \

Definition of nitrogen fixation for Students

: the changing of nitrogen into an available and useful form especially by bacteria ( nitrogen-fixing bacteria )

Medical Dictionary

nitrogen fixation

noun

medical Definition of nitrogen fixation

1 : the industrial conversion of free nitrogen into combined forms useful especially as starting materials for fertilizers or explosives
2 : the metabolic assimilation of atmospheric nitrogen by soil microorganisms and especially rhizobia and its release for plant use by nitrification in the soil on the death of the microorganisms

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