collineation

See also: collinéation

English

Etymology

From Latin collineare to direct in a straight line. See collimation.

Noun

collineation (countable and uncountable, plural collineations)

1. The act of collineating; collimation.
2. (algebra) An isomorphism from one projective space to another, often to itself.

   Hyponym: central collineation