19-letter words containing u, n, b, r, o
- convergent boundary — a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.
- coordination number — the number of coordinated species surrounding the central atom in a complex or crystal
- corruption of blood — the impurity before law that results from attainder and disqualifies the attainted person from inheriting, retaining, or bequeathing lands or interests in lands: abolished in 1870.
- counterpoise bridge — another name for bascule bridge
- cudgel one's brains — to think hard about a problem
- darby and joan club — a club for elderly people
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- deoxyribonucleoside — a compound composed of deoxyribose and either a purine or a pyrimidine.
- deoxyribonucleotide — an ester of a deoxyribonucleoside and phosphoric acid; a constituent of DNA.
- distribution system — The distribution system is the part of an electric system after the transmission system that is dedicated to delivering electric energy to an end user.
- do not disturb sign — A do not disturb sign is a sign that a guest in a hotel hangs outside their room to tell other people not to knock the door or enter.
- double counterpoint — invertible counterpoint using two transposable voices.
- east dunbartonshire — a council area of central Scotland to the N of Glasgow: part of Strathclyde region from 1975 until 1996: mainly agricultural and residential. Administrative centre: Kirkintilloch. Pop: 106 970 (2003 est). Area: 172 sq km (66 sq miles)
- employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- february revolution — Russian Revolution (def 1).
- february-revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
- feel strongly about — to have decided opinions concerning
- freeze-frame button — a control button on a remote control device, used to stop a moving image to view it as a still
- godfrey of bouillon — (Duke of Lower Lorraine) 1060?–1100, French leader of the First Crusade 1096–99.
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- green mountain boys — the members of the armed bands of Vermont organized in 1770 to oppose New York's territorial claims. Under Ethan Allen they won fame in the War of American Independence
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- hydroxydaunorubicin — Doxorubicin.
- hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
- incommensurableness — (rare) Incommensurability.
- internal-combustion — of or relating to an internal-combustion engine.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- keyboard instrument — any musical instrument that is played using a keyboard
- kingdom of burgundy — a kingdom in E France, established in the early 6th century ad, eventually including the later duchy of Burgundy, Franche-Comté, and the Kingdom of Provence: known as the Kingdom of Arles from the 13th century
- language laboratory — a special room or rooms with sound-recording and -reproducing equipment for use by students to practice speaking foreign languages, usually with an instructor monitoring the program.
- 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.
- 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.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- membership function — fuzzy subset
- minimum iron fabric — cloth used to make clothes that require little ironing
- 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
- 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
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- party-column ballot — Indiana ballot.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.