polyconic projection


poly·con·ic projection

noun \ˌpä-lē-ˈkä-nik-\

Definition of POLYCONIC PROJECTION

:  a map projection consisting of a composite series of concentric cones each of which before being unrolled has been placed over a sphere so as to be tangent to a different parallel of latitude

First Known Use of POLYCONIC PROJECTION

circa 1864

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