GEOMETRY n. 2 definitions
A treatise on this science. Analytical, or Coördinate, geometry, that branch of mathematical analysis which has for its object the analytical investigation of the relations and properties of geometrical magnitudes. -- Descriptive geometry, that part of geometry which treats of the graphic solution of all problems invo…
GONIOMETER n.
, especially the angles of crystals, or the inclination of planes. Contact, or Hand, goniometer, a goniometer having two movable arms (ab, cd), between which (at ab) the faces of the crystals are placed. These arms turn about a fixed point, which is the center of the graduated circle or semicircle upon which the angle…