triiodothyronine
[ trahy-ahy-oh-doh-thahy-ruh-neen, -ahy-od-oh- ]
/ ˌtraɪ aɪˌoʊ doʊˈθaɪ rəˌnin, -aɪˌɒd oʊ- /
noun
Biochemistry.
a thyroid hormone, C15H12I3NO4, similar to thyroxine but several times more potent.
Pharmacology.
a preparation of this hormone, used in treating hypothyroidism. Abbreviation: T3
Words nearby triiodothyronine
trihydrate,
trihydric,
trihydric alcohol,
trihydroxy,
triiodomethane,
triiodothyronine,
trijet,
trijugate,
trike,
trikora,
trilabe
British Dictionary definitions for triiodothyronine
triiodothyronine
/ (ˌtraɪaɪˌəʊdəʊˈθaɪrəˌniːn) /
noun
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
Word Origin for triiodothyronine
C20: from
tri- +
iodo- +
thyro- +
-ine
2