liothyronine

L1I1O1T1H4Y4R1O1N1I1N1E1
US/ˌlaɪ.oʊˈθaɪ.ɹəˌnin/

noun

A form of thyroid hormone used to treat hypothyroidism and myxedema coma.

Similar
triiodothyronineT
RareScrabble 18
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounliothyronine (uncountable)
  1. uncountablemedicineA form of thyroid hormone used to treat hypothyroidism and myxedema coma.

Synonyms & antonyms

nounthyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer

Similar
triiodothyronineT
Broader
thyroid hormone
Also see
ttriiodothyronine

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Contraction of ʟ-(tri)io(do)thyronine.

Full word history & related roots →
Cite this entry
APA

liothyronine. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/liothyronine

MLA

“liothyronine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/liothyronine. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “liothyronine,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/liothyronine.

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