oxyhaemoglobin
Concise Oxford English Dictionary © 2008 Oxford University Press:
oxyhaemoglobin /ˌɒksɪhiːməˈgləʊbɪn/
▶noun Biochemistry a bright red substance formed by the combination of haemoglobin with oxygen, present in oxygenated blood.
'oxyhaemoglobin' also found in these Oxford entries:

