methemoglobin
noun
met·he·mo·glo·bin
ˌmet-ˈhē-mə-ˌglō-bən 
: a soluble brown crystalline basic blood pigment that differs from hemoglobin in containing ferric iron and in being unable to combine reversibly with molecular oxygen
Examples of methemoglobin in a Sentence
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Typical levels of methemoglobin in the blood range from 0% to 2%.
—
Beth Mole, Ars Technica, 23 Sep. 2019
Lab tests showed that the Rhode Island woman’s percentage of methemoglobin was 44%.
—Beth Mole, Ars Technica, 23 Sep. 2019
So, methemoglobinemia is a rare blood disorder that causes people to produce an abnormal amount of methemoglobin.
—Maggie O'Neill, Health.com, 19 Sep. 2019
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Beth Mole, Ars Technica, 23 Sep. 2019
Lab tests showed that the Rhode Island woman’s percentage of methemoglobin was 44%.
—Beth Mole, Ars Technica, 23 Sep. 2019
So, methemoglobinemia is a rare blood disorder that causes people to produce an abnormal amount of methemoglobin.
—Maggie O'Neill, Health.com, 19 Sep. 2019
Dictionary Entries Near methemoglobin
Cite this Entry
“Methemoglobin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methemoglobin. Accessed 22 Dec. 2024.
Copy CitationMedical Definition
methemoglobin
noun
met·he·mo·glo·bin
variants
or chiefly British methaemoglobin
: a soluble brown crystalline basic blood pigment that is found in normal blood in much smaller amounts than hemoglobin, that is formed from blood, hemoglobin, or oxyhemoglobin by oxidation, and that differs from hemoglobin in containing ferric iron and in being unable to combine reversibly with molecular oxygen
called also ferrihemoglobin
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