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English definition of “antidote”

antidote

noun [C] uk   /ˈæn.ti.dəʊt/ us    /-t̬i.doʊt/
a chemical, especially a drug, that limits the effects of a poison: Sales of nerve gas antidotes increased dramatically before the war. a way of preventing or acting against something bad: Regular exercise is the best antidote to tiredness and depression.
(Definition of antidote from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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