Euclidean (adjective)

Relating to the mathematics or geometry of Euclid or his work, in particular the geometry based on the assumption of the parallelism of straight lines.

Origin:

Late 18th century: from euclid, the name of the greek mathematician + -ean.

Examples:

1. Euclidean geometry is the study of properties of points, lines, angles, and shapes using the five postulates of Euclid.
2. The Euclidean algorithm is a method for finding the greatest common divisor of two numbers.
3. Euclidean space is a mathematical model of the physical space we live in.
4. In Euclidean geometry, the sum of the angles in a triangle is always 180 degrees.
5. The Euclidean distance is a measure of the distance between two points in a Euclidean space.