(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 20, 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 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, principal scale, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/principal_scale/definitions/1963459>. |
| MLA | Military Dictionary (DoD). "principal scale" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/principal_scale/definitions/1963459> |