triiodothyronine

tri·i·o·do·thy·ro·nine  (tr-d-thr-nn, --d-)

n.

A thyroid hormone, C₁₅H₁₂I₃NO₄, similar to thyroxine but more potent, used in the treatment of hypothyroidism.

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[tri- + iodo- + thyronine, an amino acid (thyr(o)- + -on(e) + -ine²).]

Thesaurus

Noun

1.

triiodothyronine - thyroid 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 liothyronine, T thyroid hormone - any of several closely related compounds that are produced by the thyroid gland and are active metabolically