conterminous

/kənˈtɜrmɪnəs/
adjective
  1. Sharing a common border; touching along a boundary.
    • The conterminous states of the U.S. are the 48 that share land borders.
    • The two farms are conterminous, separated only by a fence.
    • Canada and the United States are conterminous along much of their border.
  2. Having the same boundaries or limits; coextensive in range or scope.
    • The park's boundaries are conterminous with the national forest.
    • The two districts are conterminous, covering exactly the same area.
    • Her authority as manager is conterminous with the project's duration.
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