carboxyhemoglobin

noun
car·​boxy·​he·​mo·​glo·​bin
variants: or chiefly British carboxyhaemoglobin \ (ˌ)kär-​ˌbäk-​sē-​ˈhē-​mə-​ˌglō-​bən How to pronounce carboxyhaemoglobin (audio) \

Medical Definition of carboxyhemoglobin

: a very stable combination of hemoglobin and carbon monoxide formed in the blood when carbon monoxide is inhaled with resulting loss of ability of the blood to combine with oxygen

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