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English definition of “hereditary”

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hereditary

adjective uk   /həˈred.ɪ.tər.i/ us  
(of characteristics or diseases) passed from the genes of a parent to a child, or (of titles and positions in society) passed from parent to a child as a right: a hereditary disease Depression is often hereditary. It is a hereditary title, so Mark Howard will become Sir Mark Howard on his father's death.
(Definition of hereditary from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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