(DoD, NATO) In cartography, the scale of a reduced or generating globe representing the sphere or spheroid, defined by the fractional relation of their respective radii. Also called nominal scale. See also scale.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). principal scale. Retrieved September 23, 2026, from http://smartdefine.org/principal_scale/definitions/1963459 |
| Chicago | Military Dictionary (DoD). 2011. "principal scale" http://smartdefine.org/principal_scale/definitions/1963459 (accessed September 23, 2026). |
| Harvard | Military Dictionary (DoD) 2011, principal scale, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/principal_scale/definitions/1963459>. |
| MLA | Military Dictionary (DoD). "principal scale" 4 April 2011. Web. 23 September 2026. <http://smartdefine.org/principal_scale/definitions/1963459> |