18-letter words containing r, o, a, d, s, u
- frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- gamma distribution — a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
- gastroduodenostomy — See under gastroenterostomy.
- guidance counselor — advisor in schools
- haud your wheesht! — be silent! hush!
- head and shoulders — If you say that someone or something stands head and shoulders above other people or things, you mean that they are a lot better than them.
- honour moderations — (at Oxford University) the first public examination, in which candidates are placed into one of three classes of honours
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
- industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- lay down your arms — If soldiers lay down their arms, they stop fighting and give up their weapons.
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- magnesium peroxide — a white, tasteless, water-insoluble powder, MgO 2 , used as an antiseptic and as an oxidizing and bleaching agent.
- manufactured goods — products made by machine
- marsilius of padua — c1280–1343? Italian scholar and political theorist.
- mato grosso do sul — a state of W central Brazil: formed in 1979 from part of Mato Grosso state. Capital: Campo Grande. Pop: 2 140 624 (2002). Area: 350 548 sq km (135 318 sq miles)
- misunderestimation — (nonstandard) An inaccurate underestimation, or an act of misunderestimating.
- mucopolysaccharide — (formerly) glycosaminoglycan.
- muscular dystrophy — a hereditary disease characterized by gradual wasting of the muscles with replacement by scar tissue and fat, sometimes also affecting the heart.
- national guardsman — guardsman (def 2).
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- non-understandable — capable of being understood; comprehensible.
- nonstriated muscle — smooth muscle
- nueva san salvador — Santa Tecla.
- optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
- order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- pass the hat round — to collect money, as for a cause
- passing-out parade — a ceremonial parade of cadets who have completed their training
- personal bodyguard — a person employed to protect a particular person
- pitch-and-run shot — chip shot.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
- predation pressure — the effect of predation upon a population, resulting in the decrease in size of that population.
- programme of study — the prescribed syllabus that pupils must be taught at each key stage in the National Curriculum
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- put heads together — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
- radiation exposure — exposure to radiant energy or to the particles emitted in the transfer of radiant energy, esp the particles and gamma rays emitted in nuclear decay; exposure to radioactive substances
- radiation pressure — the pressure exerted on a surface by electromagnetic radiation or by sound waves.
- radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- rheims-douay bible — Douay Bible.
- russian federation — a republic extending from E Europe to N and W Asia. 6,593,000 sq. mi. (17,076,000 sq. km). Capital: Moscow.
- saturated solution — A saturated solution is a solution in which there is so much solute that if there was any more, it would not dissolve.
- second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
- secondary consumer — (in the food chain) a carnivore that feeds only upon herbivores.