hemoglobin

H4E1M3O1G2L1O1B3I1N1
US/ˌhimoʊˈɡloʊbɪn/US/ˈhiməˌɡloʊbɪn/UK/ˌhiːmə(ʊ)ˈɡləʊbɪn/

noun

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).

Less commonScrabble 18

Meanings

nounhemoglobin (countable and uncountable, plural hemoglobins)

plural hemoglobins · alternative haemoglobin · alternative hæmoglobin · alternative hemoglobine · alternative haemoglobine · alternative hæmoglobine · alternative hematinoglobulin · alternative hematoglobulin · alternative haematoglobulin · alternative hematoglobuline · alternative haematoglobuline · alternative hematoglobin · alternative haematoglobin

  1. UScountableuncountableThe 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).

    Synonyms: Hb, Hgb, HGB

Synonyms & antonyms

nounThe 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

More synonyms by meaning

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

Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinglobus“ball, sphere”
  2. Ancient Greekαἷμα“blood”
  3. Englishhemoglobin

Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).

Full word history & related roots →

Translations

Basque hemoglobina
  • hemoglobinathe iron-containing substance in red blood cells that transports oxygen
Bulgarian хемоглобин
  • хемоглобин (hemoglobin)the iron-containing substance in red blood cells that transports oxygen
Catalan hemoglobina
  • hemoglobinathe iron-containing substance in red blood cells that transports oxygen
Chinese Mandarin 血紅蛋白 /血红蛋白
  • 血紅蛋白 /血红蛋白 (xiěhóngdànbái, xuèhóngdànbái)the iron-containing substance in red blood cells that transports oxygen
Czech hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Esperanto hemoglobino
  • hemoglobinothe iron-containing substance in red blood cells that transports oxygen
Estonian hemoglobiin
  • hemoglobiinthe iron-containing substance in red blood cells that transports oxygen
Finnish hemoglobiini, verenpuna
  • hemoglobiinithe iron-containing substance in red blood cells that transports oxygen
  • verenpunathe iron-containing substance in red blood cells that transports oxygen
French hémoglobine
  • hémoglobinethe iron-containing substance in red blood cells that transports oxygen
German Blutfarbstoff, Hämoglobin
  • Blutfarbstoffthe iron-containing substance in red blood cells that transports oxygen
  • Hämoglobinthe iron-containing substance in red blood cells that transports oxygen
Greek αιμοσφαιρίνη
  • αιμοσφαιρίνη (aimosfairíni)the iron-containing substance in red blood cells that transports oxygen
Hungarian hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Icelandic blóðrauða
  • blóðrauðathe iron-containing substance in red blood cells that transports oxygen
Indonesian hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Irish haemaglóibin
  • haemaglóibinthe iron-containing substance in red blood cells that transports oxygen
Italian emoglobina
  • emoglobinathe iron-containing substance in red blood cells that transports oxygen
Japanese ヘモグロビン, 血色素
  • ヘモグロビン (hemogurobin)the iron-containing substance in red blood cells that transports oxygen
  • 血色素 (kessikiso)the iron-containing substance in red blood cells that transports oxygen
  • 血液色素 (ketsueki-sikiso)the iron-containing substance in red blood cells that transports oxygen
Korean 헤모글로빈, 혈색소
  • 헤모글로빈 (hemogeullobin)the iron-containing substance in red blood cells that transports oxygen
  • 혈색소 (hyeolsaekso)the iron-containing substance in red blood cells that transports oxygen
Malay hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Polish hemoglobina
  • hemoglobinathe iron-containing substance in red blood cells that transports oxygen
Portuguese hemoglobina
  • hemoglobinathe iron-containing substance in red blood cells that transports oxygen
Romanian hemoglobină
  • hemoglobinăthe iron-containing substance in red blood cells that transports oxygen
Russian гемоглоби́н
  • гемоглоби́н (gemoglobín)the iron-containing substance in red blood cells that transports oxygen
Spanish hemoglobina
  • hemoglobinathe iron-containing substance in red blood cells that transports oxygen
Swahili hemoglobini
  • hemoglobinithe iron-containing substance in red blood cells that transports oxygen
Swedish hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Tagalog pula ng dugo
  • pula ng dugothe iron-containing substance in red blood cells that transports oxygen
Turkish hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Ukrainian гемоглобі́н
  • гемоглобі́н (hemohlobín)the iron-containing substance in red blood cells that transports oxygen
Vietnamese hemoglobin
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen
Welsh haemoglobin, hemoglobin
  • haemoglobinthe iron-containing substance in red blood cells that transports oxygen
  • hemoglobinthe iron-containing substance in red blood cells that transports oxygen

Rhymes & wordplay

Rhymes with hemoglobin

All rhymes →
Cite this entry
APA

hemoglobin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hemoglobin

MLA

“hemoglobin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hemoglobin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hemoglobin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hemoglobin.

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