Medical Dictionary

instinctual

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adjective in·stinc·tu·al \in-ˈstiŋ(k)-chə(-wə)l, -ˈstiŋ(k)sh-wəl\

Medical Definition of instinctual

  1. :  of, relating to, or based on instincts instinctual behavior the instinctual society of social insects



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a dividing ridge between drainage areas

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