leghemoglobin

[leg-hee-muh-gloh-bin, -hem-uh-]
noun Biochemistry.
a hemoglobinlike red pigment in the root nodules of leguminous plants, as soybean, that is essential for nitrogen fixation.
Also called legoglobin.


Origin:
1965–70; leg(ume) + hemoglobin

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The nodules that had the nitrogen fixation activity were pink because of leghemoglobin.
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