thyroxine
thy·rox·ine
noun \thī-ˈräk-ˌsēn, -sən\Definition of THYROXINE
: an iodine-containing hormone C15H11I4NO4 that is an amino acid produced by the thyroid gland as a product of the cleavage of thyroglobulin, increases metabolic rate, and is used to treat thyroid disorders
See Variants of THYROXINE
thy·rox·ine or thy·rox·in \thī-ˈräk-ˌsēn, -sən\
Origin of THYROXINE
thyr- + oxy + indole
First Known Use: 1918
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