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

The procedure, known as the haemoglobin A1C test, measures average blood sugar levels which are used to diagnose type 2 diabetes and monitor the condition.

From BBC ● Sep. 4, 2025

They say it does that by increasing the number of red blood cells that contain haemoglobin, which transports oxygen around the body, but this remains a disputed subject and many say further studies are required.

From BBC ● May 21, 2025

It increases the number of red blood cells in the body and haemoglobin - a protein that carries oxygen - found in those cells.

From BBC ● Dec. 4, 2024

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

From BBC ● Aug. 12, 2024

It is a curious and noteworthy fact that in some invertebrate animals in which no haemoglobin occurs, we meet with its derivatives.

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