Ord or ORD may refer to:

Places

* Ord of Caithness, landform in north-east Scotland * Ord, Nebraska, USA *

Ord, Northumberland Ord is a civil parish in Northumberland, England. According to the 2001 census it had a population 1,365, increasing slightly to 1,374 at the 2011 Census. The parish is situated to the south-west of the town of Berwick-upon-Tweed, and includes ...

, England * Muir of Ord, village in Highland, Scotland * Ord, Skye, a place near Tarskavaig * Ord River, Western Australia **

Ord Irrigation Area Important Bird Area The Ord Irrigation Area Important Bird Area is an area of land used for irrigated agriculture along the Ord River in the vicinity of the town of Kununurra, Western Australia, Kununurra in the Kimberley (Western Australia), Kimberley region of nor ...

Ord River Floodplain The Ord River floodplain is the floodplain of the lower Ord River in the Shire of Wyndham-East Kimberley, in the Kimberley region of northern Western Australia. It lies within the Victoria Bonaparte IBRA bioregion and contains river, seasonal ...

, Ramsar Site ** Ord Victoria Plain * Ord Township, Nebraska (disambiguation), name of two townships in Nebraska, USA * East Ord, Northumberland, UK * Fort Ord, California, USA *

O'Hare International Airport Chicago O'Hare International Airport , sometimes referred to as, Chicago O'Hare, or simply O'Hare, is the main international airport serving Chicago, Illinois, located on the city's Northwest Side, approximately northwest of the Chicago Loop, ...

(IATA airport code "ORD"), an airport in Chicago, U.S.

Mathematics

* Ord, the category of preordered sets * Ord, the proper class of all

ordinal number In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets. A finite set can be enumerated by successively labeling each element with the least n ...

s * ord(''V''), the order type of a well-ordered set ''V'' * ord_''n''(''a''), the

multiplicative order In number theory, given a positive integer ''n'' and an integer ''a'' coprime to ''n'', the multiplicative order of ''a'' modulo ''n'' is the smallest positive integer ''k'' such that a^k\ \equiv\ 1 \pmod n. In other words, the multiplicative order ...

of ''a'' modulo ''n''

Businesses

Ord Publishing Omniscriptum Publishing Group, formerly known as VDM Verlag Dr. Müller, is a German publishing group headquartered in Riga, Latvia. Founded in 2002 in Düsseldorf, its book production is based on print-to-order technology. The company publi ...

, an imprint of the German group VDM Publishing devoted to the reproduction of Wikipedia content

Fiction

* A prefix for several planets in the ''Star Wars'' universe, such as

Ord Mantell The fictional universe of the ''Star Wars'' franchise features multiple planets and moons. While only the feature films and selected other works are considered canon to the franchise since the 2012 acquisition of Lucasfilm by The Walt Disney ...

Ord (comics) Ord is a fictional character, a supervillain appearing in American comic books published by Marvel Comics. The character has been depicted specifically as an enemy of the X-Men. He first appeared in ''Astonishing X-Men'' #1 in May 2004. He was cre ...

, a Marvel Comics character * Ord (Dragon Tales), one of the characters in the children's television series ''Dragon Tales'' on PBS

Other

* Ord (surname) * Object-relational database * Odinic Rite Deutschland, renamed Verein für germanisches Heidentum in 2006, a neopagan organisation * Office of Rare Diseases of the United States National Institutes of Health (NIH) *

Optical rotatory dispersion Optical rotatory dispersion is the variation in the optical rotation of a substance with a change in the wavelength of light. Optical rotatory dispersion can be used to find the absolute configuration of metal complexes. For example, when plane-pol ...

, a form of spectroscopy used to determine the optical isomerism and secondary structure of molecules {{disambiguation, geo