prothrombin

P3R1O1T1H4R1O1M3B3I1N1

noun

A glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting.

Similar
clotting factor IIfactor IIw:coagulation factor II
UncommonScrabble 20

Meanings

nounprothrombin (plural prothrombins)

plural prothrombins

  1. biochemistryA glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting.

    Synonyms: clotting factor II, factor II, w:coagulation factor II

Synonyms & antonyms

nounA glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting.

Similar
clotting factor IIfactor IIw:coagulation factor II

More synonyms by meaning

nouna protein in blood plasma that is the inactive precursor of thrombin

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*per-der.?
  2. Proto-Indo-European*pér
  3. Proto-Indo-European*pró
  4. Ancient Greekπρό (pró)
  5. Englishpro-
  6. Englishthrombin
  7. Englishprothrombin

From pro- + thrombin.

Full word history & related roots →

Translations

Catalan protrombina
  • protrombinaglycoprotein
French prothrombine
  • prothrombineglycoprotein
Italian protrombina
  • protrombinaglycoprotein
Portuguese protrombina
  • protrombinaglycoprotein
Spanish protrombina
  • protrombinaglycoprotein
Swedish protrombin
  • protrombinglycoprotein
Cite this entry
APA

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

MLA

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

Chicago

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

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