methaemoglobin

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

noun

Definition for methaemoglobin (2 of 2)

methemoglobin

or met·hae·mo·glo·bin

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

noun Biochemistry.

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

Origin of methemoglobin

First recorded in 1865–70; met- + hemoglobin

British Dictionary definitions for methaemoglobin

methaemoglobin
/ (mɛtˌhiːməˈɡləʊbɪn, mɛˌθiːmə-) /

noun

a brown compound of oxygen and haemoglobin formed in the blood by the action of certain drugs

Medical definitions for methaemoglobin

methemoglobin
[ mĕt-hēmə-glō′bĭn ]

n.

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.