angulation [L, angulatus, bent] , 1. an angular shape or formation. 2. the discipline of precisely measuring angles, as in mechanical drafting and surveying. 3. (in radiography) the direction of the useful beam of radiation in relation to the object being radiographed and the receptor used to record its image. See also horizontal angulation, vertical angulation. 4. the formation of a sharp obstructive angle, as in the intestines or ureters.
