consanguinitynoun [ U ]
/ˌkɒn.sæŋˈɡwɪn.ə.ti//ˌkɑːn.sæŋˈɡwɪn.ə.t̬i/specializedthe condition of being blood relations (= related to someone by birth, not marriage):
Some states prohibit marriage where there is a degree of consanguinity.
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