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methemoglobin

American

[met-hee-muh-gloh-bin, -hem-uh-, -hee-muh-gloh-, -hem-uh-] / mɛtˈhi məˌgloʊ bɪn, -ˈhɛm ə-, -ˌhi məˈgloʊ-, -ˌhɛm ə- /

Or methaemoglobin

noun

Biochemistry.

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

Etymology

Origin of methemoglobin

First recorded in 1865–70; met- + hemoglobin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One of Professor Amberson's problems, before such artificial blood can be widely used, is to find a way to retard the formation of methemoglobin.

From Time Magazine Archive

Then they died because the cell-free hemoglobin changed to methemoglobin which cannot carry life-giving oxygen to suffocating body cells.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023