haemoglobin

British

/ ˌhɛm-, ˌhiːməʊˈɡləʊbɪn /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of haemoglobin

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

Example Sentences

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See Examples For:

haemoglobin

According to the NHS, sideroblastic anaemia is a disorder where the body produces enough iron but is unable to put it into the haemoglobin.

From BBC ● Aug. 3, 2025

It is caused by genetic change that means people make haemoglobin - a key protein in red blood cells - that doesn't work properly.

From BBC ● Jan. 30, 2025

There are some, like haemoglobin levels, certain elements of the cardiovascular system that may go away.

From BBC ● Aug. 12, 2024

It is a genetic disease that is passed down through families and caused by defects in the body's instructions for manufacturing haemoglobin.

From BBC ● Aug. 7, 2024

Although closely related to haemoglobin or its derivative haemochromogen, the histohaematins are yet totally distinct, and they are found in animals where not a trace of haemoglobin can be detected.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023