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English definition of “thyroxine”

thyroxine

noun [U] uk (also thyroxin)   /θaɪˈrɒk.sɪn/ us    /-ˈrɑːk-/ specialized
a hormone produced by the thyroid gland that controls metabolism (= chemical processes in the body) and is important for normal development in childrenSubstances and structures in the body
(Definition of thyroxine from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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