haemoglobin

British  

/ ˌhɛm-, ˌhiːməʊˈɡləʊbɪn /

noun

1. a conjugated protein, consisting of haem and the protein globin, that gives red blood cells their characteristic colour. It combines reversibly with oxygen and is thus very important in the transportation of oxygen to tissues See also oxyhaemoglobin

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Etymology

Origin of haemoglobin

C19: shortened from haematoglobulin, from _haematin + _globulin the two components

Example Sentences

Haemoglobin is a protein found in the red bloods cells that carry oxygen around the body.

From BBC • Jan. 27, 2025

Haemoglobin is the protein that carries oxygen in blood and the team say plant and human versions are very similar.

From BBC • Nov. 5, 2014

Haemoglobin, the red colouring matter of vertebrate blood, C758H1203N195S3FeO218, and its derivatives haematin, C32H30N4FeO3, and haematoporphyrin, C16H18N2O3, are colouring matters about which we possess definite chemical knowledge, as they have been isolated, purified and analysed.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

Haemoglobin is said to be found as low down in the animal kingdom as the Echinoderms, e.g. in Ophiactis virens and Thyonella gemmata.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

Haemoglobin is the coloring matter of the red corpuscles.

From Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada by Ritter, Thomas Jefferson