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methemoglobin

or met·hae·mo·glo·bin

[ met-hee-muh-gloh-bin, -hem-uh-, -hee-muh-gloh-, -hem-uh- ]

noun

, Biochemistry.
  1. a brownish compound of oxygen and hemoglobin, formed in the blood, as by the use of certain drugs.


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Word History and Origins

Origin of methemoglobin1

First recorded in 1865–70; met- + hemoglobin

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metheglinmethenamine