/ (ˌɒksɪˌhiːməʊˈɡləʊbɪn, -ˌhɛm-) /
biochem the bright red product formed when oxygen from the lungs combines with haemoglobin in the blood
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Examples from the Web for oxyhaemoglobin
The greatest dissociation of oxyhaemoglobin occurs as the oxygen tension falls from about 40 to 20 mm.
In association with this, oxyhaemoglobin has a typical bright red colour, whereas haemoglobin is dark purple.