(DoD, NATO) Any numerical or geometrical quantity or set of such quantities which may serve as reference or base for other quantities. Where the concept is geometric, the plural form is "datums" in contrast to the normal plural "data."
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). datum. Retrieved September 20, 2026, from http://smartdefine.org/datum/definitions/1961231 |
| Chicago | Military Dictionary (DoD). 2011. "datum" http://smartdefine.org/datum/definitions/1961231 (accessed September 20, 2026). |
| Harvard | Military Dictionary (DoD) 2011, datum, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/datum/definitions/1961231>. |
| MLA | Military Dictionary (DoD). "datum" 4 April 2011. Web. 20 September 2026. <http://smartdefine.org/datum/definitions/1961231> |