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English definition of “insulin”

insulin

noun [U]     /ˈɪn.sjʊ.lɪn/ US  /-sə-/
a hormone in the body that controls the amount of sugar in the blood : She has to have insulin injections for her diabetes .Specific medicines and drugsSpecific types of drug
(Definition of insulin noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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