Definition of haemoglobin in English:

haemoglobin

Line breaks: haemo|glo¦bin
Pronunciation: /ˌhiːməˈgləʊbɪn
 
/
(US hemoglobin)

noun

[mass noun] Biochemistry
  • A red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a haem group.
    More example sentences
    • The key, she believes, may be the iron content of the blood and muscle proteins hemoglobin and myoglobin.
    • The main task of red blood cells is to transport oxygen bound to haemoglobin from the lungs to the tissues.
    • The red blood cells carry red blood protein called haemoglobin.

Origin

mid 19th century: a contracted form of haematoglobulin, in the same sense.

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