methemoglobin(redirected from hemoglobin M)
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A brownish-red form of hemoglobin that occurs when hemoglobin is oxidized either during 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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) the US spelling of methaemoglobin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
met•he•mo•glo•bin(mɛtˈhi məˌgloʊ bɪn, -ˈhɛm ə-, -ˌhi məˈgloʊ-, -ˌhɛm ə-)
a form of hemoglobin in which iron has been oxidized, resulting in brownish blood that transports less oxygen.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.