azimuthal UK /ˌæzəˈmuːθəl/US /ˌæzəˈmʌθəl/adjective 2noun 1forms 1 adjective2 •Of or pertaining to the azimuth; in a horizontal circle. •Describing a map projection which preserves direction for all points relative to a selected point (or in some cases two points). noun1 •An azimuthal projection.Note that because of the square-well air-bag model, these synchrotron azimuthals are slightly different from the conventional ones. — 2006 formsazimuthals