haemoglobin
noun/ˌhiːməˈɡləʊbɪn/
/ˌhiːməˈɡləʊbɪn/
(British English) (North American English hemoglobin)
[uncountable]- a red substance in the blood that carries oxygen and contains ironWord Originmid 19th cent.: a contracted form of haematoglobulin, in the same sense.
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