thyroxine

Definitions of thyroxine
  1. noun
    hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
    “thyroxine is 65% iodine”
    synonyms: T, tetraiodothyronine, thyroxin
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    type of:
    thyroid hormone
    any of several closely related compounds that are produced by the thyroid gland and are active metabolically
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