
In projective geometry, a collineation is a one-to-one and onto map (a bijection) from one projective space to another, or from a projective space to itself, such that the images of collinear points are themselves collinear. A collineation is thus an isomorphism between projective spaces, or an automorphism from a projective space to itself. Some ...
Found on
http://en.wikipedia.org/wiki/Collineation

• (n.) The act of aiming at, or directing in a line with, a fixed object.
Found on
http://thinkexist.com/dictionary/meaning/collineation/
Col·lin`e·a'tion noun [ Latin
collineare to direct in a straight line. See
Collimation .] The act of aiming at, or directing in a line with, a fixed object. [ R.]
Johnson. Found on
http://www.encyclo.co.uk/webster/C/110
No exact match found.