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)
What's Trending Now
More Trending Words
nitrogen fixation
noun
Explore Merriam-Webster
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
Learn More about nitrogen fixation
-
Britannica.com: Encyclopedia article about nitrogen fixation
Seen and Heard
What made you want to look up nitrogen fixation? Please tell us where you read or heard it (including the quote, if possible).
