Great circle

noun

Definitions

Noun
  1. 1
    A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.
  2. 2
    a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center wordnet
  3. 3
    A segment of such circle representing the shortest distance between two points on the surface of a sphere.

    "Wherever a navigator may be, it certainly would be to his advantage to be able to find the great circle, or shortest course, and the distance, to his port of destination, [....]"

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