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methaemoglobin

[met-hee-muh-gloh-bin, -hem-uh-, -hee-muh-gloh-, -hem-uh-]
noun
  1. methemoglobin.

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.

Origin of methemoglobin

First recorded in 1865–70; met- + hemoglobin
Also called ferrihemoglobin, hemiglobin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for methaemoglobin

methaemoglobin

noun
  1. a brown compound of oxygen and haemoglobin formed in the blood by the action of certain drugs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
methaemoglobin in Medicine

methemoglobin

[mĕt-hē′mə-glō′bĭn]
n.
  1. A brownish-red crystalline organic compound formed in the blood when hemoglobin is oxidated either by decomposition of the blood or by the action of various oxidizing drugs or toxic agents. It contains iron in the ferric state and cannot function as an oxygen carrier.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.