21-letter words containing a, c, o, r, u
- functional illiterate — a person with some basic education who still falls short of a minimum standard of literacy or whose reading and writing skills are inadequate to everyday needs.
- functional imperative — a requirement for the survival of any social system, as communication, control of conflict, or socialization.
- gastrohepatic omentum — lesser omentum.
- general court-martial — a court-martial having the authority to try any offense against military law and to impose a sentence of dishonorable discharge or of death when provided by law.
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- gram-molecular weight — gram molecule. Abbreviation: GMW.
- ground-effect machine — ACV (def 2).
- hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
- historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- in (or out of) place — in (or out of) the customary, proper, or assigned place
- in good circumstances — (of a person) in a good financial situation
- in no uncertain terms — If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
- in saecula saeculorum — for ever and ever.
- induced radioactivity — artificial radioactivity.
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
- infectious ectromelia — ectromelia (def 2).
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
- jean jacques rousseau — Henri [ahn-ree] /ɑ̃ˈri/ (Show IPA), ("Le Douanier") 1844–1910, French painter.
- joseph-marie jacquard — (person) /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- launch control center — any of a number of underground U.S. command facilities prepared to launch land-based missiles in event of war.
- manufacturing company — a company that manufactures goods
- manufacturing process — chain of production
- medium access control — Media Access Control
- mother-of-pearl cloud — nacreous cloud.
- motion-picture camera — a sequence of consecutive pictures of objects photographed in motion by a specially designed camera (motion-picture camera) and thrown on a screen by a projector (motion-picture projector) in such rapid succession as to give the illusion of natural movement.
- mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
- mucopolysaccharidosis — Any of a group of metabolic disorders caused by the absence or malfunction of lysosomal enzymes needed to break down glycosaminoglycans.
- multilayer perceptron — A network composed of more than one layer of neurons, with some or all of the outputs of each layer connected to one or more of the inputs of another layer. The first layer is called the input layer, the last one is the output layer, and in between there may be one or more hidden layers.
- multiplication factor — the ratio of the number of neutrons in a generation to the number of neutrons in the previous generation: when the multiplication factor is equal to or greater than one, a chain reaction is possible
- munchausen's syndrome — a mental disorder in which a patient feigns illness to obtain hospital treatment
- municipal corporation — a city, town, village, etc., that operates under a corporate charter granted by the state.
- narrow-angle glaucoma — Ophthalmology. angle-closure glaucoma. See under glaucoma.
- national public radio — a nationwide network of nonprofit radio stations supported in part by U.S. government funds distributed by the Corporation for Public Broadcasting, often affiliated with a public television station or educational institution. Abbreviation: NPR.
- negotiable securities — securities that are legally transferable in title from one party to another
- new general catalogue — NGC.
- nitrosylsulfuric acid — a clear, straw-colored, oily, corrosive liquid, HNO 5 S, used chiefly in the manufacture of dyes.
- nonexamination course — a course of study in which there are no examinations
- nonrestrictive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
- north pacific current — a warm current flowing eastward across the Pacific Ocean.
- not care a hang about — to not care the least bit about
- nothing in particular — not anything specific
- nuclear cross section — cross section (def 7).
- nuclear power station — a station or plant where nuclear energy is converted into heat, electricity, etc
- oblique circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a line that is not perpendicular to the circle at its center.
- optical double (star) — double star (sense 2)
- orthophosphorous acid — a white to yellowish, crystalline, hygroscopic, water-soluble solid, H 3 PO 3 , used chiefly in the synthesis of phosphites.