Great circle

WordNet

### noun

**(1)**A circular line on the surface of a sphere formed by intersecting it with a plane passing through the center

WiktionaryText

## English

### Noun

- A circle defined as the intersection of the surface of a sphere and a plane which passes through the centre of the sphere.
- A segment of such circle representing the shortest distance between two points on the surface of a sphere.
**1902**, S. L. Penfield, "Use of the Stereographic Projection for Geographical Maps and Sailing Charts", in*American Journal of Science*- 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, [....]

- Wherever a navigator may be, it certainly would be to his advantage to be able to find the
**2003**, Jeff Toghill,*The Navigator's Handbook: Essential Methods and Equipment--and how to Use Them*- The shortest distance between two points on an ocean Mercator chart is not a straight line - it is a curve known as a
**'great circle**'.

- The shortest distance between two points on an ocean Mercator chart is not a straight line - it is a curve known as a
**2005**, Phil Medina,*Homework Helpers: Earth Science*, page 52- Because the Earth's surface is curved, the shortest distance is actually a curve over the surface called a
**great circle**.

- Because the Earth's surface is curved, the shortest distance is actually a curve over the surface called a