26-letter words containing c, o, a, d, u, n
- official production system — (language) (OPS) The first production system (i.e. rule based) programming language, developed at CMU in 1970 and used for building expert systems. OPS was originally written in Franz Lisp and later ported to other LISP dialects.
- open document architecture — (standard) (ODA) ISO standard (8613) for describing documents. It allows text, graphics, and facsimile documents to be transferred between different systems.
- organophosphorus-compounds — Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.
- overdraft checking account — a bank account with a credit line permitting checks to be written for an amount above the account balance, subject to a finance charge on the overdraft.
- post-and-beam construction — wall construction in which beams rather than studs are used to support heavy posts.
- provence-alpes-côte d'azur — metropolitan region of SE France: 12,124 sq mi (31,401 sq km); pop. 4,258,000; chief city, Marseille
- red-backed squirrel monkey — a related species, Saimiri oerstedi, of Central America, having a reddish coat and dark brown limbs
- reformed church in america — a Protestant denomination having a Calvinist theology and originally called the Dutch Reformed Church.
- reticuloendothelial system — the aggregate of the phagocytic cells, including certain cells of the bone marrow, lymphatic system, liver, and spleen, that have reticular and endothelial characteristics and function in the immune system's defense against foreign bodies. Abbreviation: RES.
- richardson ground squirrel — a ground squirrel, Citellus richardsoni, of sagebrush and grassland areas of the northwestern U.S. and adjacent regions in Canada.
- sangre de cristo mountains — a mountain range in S Colorado and N New Mexico: part of the Rocky Mountains. Highest peak: Blanca Peak, 4364 m (14 317 ft)
- solemn league and covenant — an agreement (1643) between the parliaments of Scotland and England permitting the promotion of Presbyterianism in Scotland, England, and Ireland.
- the royal and ancient club — a golf club, headquarters of the sport's ruling body, based in St Andrews, Scotland
- to dance to someone's tune — If you say that someone is dancing to someone else's tune, you mean that they are allowing themselves to be controlled by the other person.
- to stand up and be counted — If you say that someone should stand up and be counted, you mean that they should say publicly what they think, and not hide it or be ashamed of it.
- udmurt autonomous republic — an autonomous republic in the Russian Federation in Europe. 16,250 sq. mi. (42,088 sq. km). Capital: Izhevsk.
- ulster defence association — (in Northern Ireland) a Loyalist paramilitary organization
- united states marine corps — Marine Corps. Abbreviation: USMC.
- universal time coordinated — incorrect term for coordinated universal time.
- victoria and albert museum — a museum of the fine and applied arts in London, originating from 1856 and given its present name and site in 1899