Imaginary line

Mathematical curve which does not physically exist From Wikipedia, the free encyclopedia

Imaginary line

In general, an imaginary line is usually any sort of geometric line (more generally, curves) that has only an abstract definition and does not physically exist. They are often used to properly identify places on a map.

Thumb
Time zone borders are imaginary lines

Some outside geography do exist. A centerline is a nautical term for a line down the center of a vessel lengthwise.

Examples

Geography

As a geographical concept, an imaginary line may serve as an arbitrary division, such as

Science and engineering

See also

References

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