hodograph

Noun

 * 1)  A curve described by the moving extremity of a line whose other end is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; used in investigations respecting central forces.

Translations

 * Bashkir: годограф
 * Finnish: hodografi
 * French: hodographe
 * Hungarian:
 * Italian: odografo
 * Kazakh: годограф
 * Kyrgyz: годограф
 * Russian: