inlier

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noun in·li·er \ˈin-ˌlī(-ə)r\

Definition of inlier

  1. 1 :  a mass of rock whose outcrop is surrounded by rock of younger age

  2. 2 :  a distinct area or formation completely surrounded by another; also :  enclave

Origin and Etymology of inlier

3in + outlier


First Known Use: circa 1859


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