19-letter words containing o, r, b
- lobby correspondent — a political correspondent who reports from parliament
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- lord baltimore cake — a yellow layer cake, using only the yolks of eggs and having a fruit-nut filling consisting of pecans, almonds, maraschino cherries, and macaroon crumbs.
- louis ii de bourbon — Condé, Prince de.
- magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.
- malleable cast iron — white cast iron that has been malleablized.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- megabits per second — (unit) (Mbps, Mb/s) Millions of bits per second. A unit of data rate. 1 Mb/s = 1,000,000 bits per second (not 1,048,576). E.g. Ethernet can carry 10 Mbps.
- membership function — fuzzy subset
- mercurial barometer — mercury barometer.
- minimum iron fabric — cloth used to make clothes that require little ironing
- molecular biologist — a specialist in the study of biological phenomena at the molecular level
- molybdenum trioxide — a white, crystalline, sparingly water-soluble powder, MoO 3 , used chiefly in the manufacture of molybdenum compounds.
- mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- mud object oriented — (games) (MOO) One of the many MUD spin-offs (e.g. MUSH, MUSE, and MUX) created to diversify the realm of interactive text-based gaming. A MOO is similar to a MUSH in that the users themselves can create objects, rooms, and code to add to the environment. The most frequently used server software for running a MOO is LambdaMOO but alternatives include WinMOO and MacGoesMOO.
- mutual masturbation — the act of two or more people masturbating each other
- national book award — any of several awards given annually, 1949–79, to an author whose book was judged the best in its category: administered by the Association of American Publishers. Abbreviation: NBA, N.B.A.
- national coal board — a statutory corporation set up to run Britain's nationalised coal mining industry between 1947 and 1994, at which time the industry was privatized
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
- next door neighbour — a person who lives in the house, flat, etc, next to one's home
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- nonthrombocytopenic — Not thrombocytopenic.
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- object-oriented sql — (language) (OSQL) A functional language, a superset of SQL, used in Hewlett-Packard's OpenODB database system.
- observation balloon — a balloon that is used for gathering information and reconnaissance purposes and spotting aircraft
- okeechobee waterway — a waterway in S Florida from the Atlantic Ocean to the Gulf of Mexico. 155 miles (244 km) long.
- olive-backed thrush — Swainson's thrush.
- on the baker's list — in good health
- on-the-job training — apprenticeship, learning by doing
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- over sb's dead body — You can say over my dead body to emphasize that you feel very strongly that something should not happen, and that you will do everything you can to prevent it.
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- pancreatic fibrosis — cystic fibrosis.
- paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- party-column ballot — Indiana ballot.
- patrol torpedo boat — PT boat.
- perfoliate bellwort — a slender plant, Uvularia perfoliata, of the lily family, of eastern North America, having pale yellow, bell-shaped flowers.
- personal belongings — possessions; things that belong to someone
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- polycarboxylic acid — a type of carboxylic acid containing two or more carboxyl groups
- portobello mushroom — a dark mushroom, strong in flavor, having a broad, flat cap that is often grilled and eaten
- post office problem — (algorithm) Given a set of points (in N dimensions), find another point which minimises the sum of the distances from that point to each of the others.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- predicate objective — objective complement.
- profitability study — a study of how much profit a company, organization, etc, makes or how profitable it is
- protease inhibitors — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.