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English definition of “thrombosis”

thrombosis

noun [C]     /θrɒmˈbəʊ.sɪs/ US  /θrɑːmˈboʊ-/ (plural thromboses)
a medical condition in which the flow of blood in the body is blocked by a clot (= half solid mass) of bloodDisorders and diseases of the heart and blood
(Definition of thrombosis noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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