triiodothyronine

[ trahy-ahy-oh-doh-thahy-ruh-neen, -ahy-od-oh- ]

noun
  1. Biochemistry. a thyroid hormone, C15H12I3NO4, similar to thyroxine but several times more potent.

  2. Pharmacology. a preparation of this hormone, used in treating hypothyroidism. Abbreviation: T3

Origin of triiodothyronine

1
1950–55; tri- + iodo- + thyronine (perhaps derivative, with -one, of thyroxine)

Words Nearby triiodothyronine

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British Dictionary definitions for triiodothyronine

triiodothyronine

/ (ˌtraɪaɪˌəʊdəʊˈθaɪrəˌniːn) /


noun
  1. an amino acid hormone that contains iodine and is secreted by the thyroid gland with thyroxine, to which it has a similar action. Formula: C 15 H 12 I 3 NO 4

Origin of triiodothyronine

1
C20: from tri- + iodo- + thyro- + -ine 2

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