haemoglobin

H4A1E1M3O1G2L1O1B3I1N1
US/ˌhimoʊˈɡloʊbɪn/US/ˈhiməˌɡloʊbɪn/UK/ˌhiːmə(ʊ)ˈɡləʊbɪn/

A form of hemoglobin — The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre).

Similar
hemoglobinHb
OriginEnglish globin ← German Globin ← Latin globus →
UncommonScrabble 19
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Meanings

nounhaemoglobin (countable and uncountable, plural haemoglobins)

plural haemoglobins

  1. CommonwealthalternativecountableuncountableAlternative spelling of hemoglobin.

    When the boy was admitted, Carter said, the haemoglobin count was 8.3 grams per decilitre.

    2014, Ian McEwan, The Children Act, Penguin Random House (2018), page 66

Synonyms & antonyms

nouna hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues

Similar
hemoglobinHb
Broader
hemoproteinhaemoprotein
Also see
hemoglobin

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekαἷμᾰ (haîmă)
  2. Ancient Greekαἱμο- (haimo-)
  3. Englishhaemo-
  4. Latinglobus
  5. GermanGlobin
  6. Englishglobin
  7. Englishhaemoglobin

From haemo- + globin.

Full word history & related roots →

Rhymes & wordplay

Rhymes with haemoglobin

hemoglobinglobinoxyhaemoglobin
All rhymes →
Cite this entry
APA

haemoglobin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/haemoglobin

MLA

“haemoglobin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/haemoglobin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “haemoglobin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/haemoglobin.

Source: haemoglobin on Wiktionary, CC BY-SA 4.0.