triiodothyronine: Meaning and Definition of

tri•i•o•do•thy•ro•nine

Pronunciation: (trī"ī-ō"dō-thī'ru-nēn", -ī-od"ō-), [key]
— n.
  1. a thyroid hormone, CHINO, similar to thyroxine but several times more potent.
  2. a preparation of this hormone, used in treating hypothyroidism. Abbr.: T&hasp;
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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