20-letter words containing u, n, p, a
- crime and punishment — a novel (1866) by Feodor Dostoevsky.
- cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
- dementia pugilistica — chronic traumatic encephalopathy.
- developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
- diammonium phosphate — a white, crystalline, water-soluble compound, (NH 4) 2 HPO 4 , used as fertilizer, in fire extinguishers, etc.
- diophantine equation — an equation involving more than one variable in which the coefficients of the variables are integers and for which integral solutions are sought.
- displacement current — the rate of change, at any point in space, of electric displacement with time.
- drum and bugle corps — a marching band of drum players and buglers.
- dual in-line package — (hardware) (DIL, DIP) The most common type of package for small and medium scale integrated circuits, with up to about 48 pins. The pins hang vertically from the two long edges of the rectangular package, spaced at intervals of 0.1 inch. The pins fit through holes in the circuit board to which they are soldered or into a socket.
- dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
- ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
- epidural anaesthesia — numbing injection in the spine
- equalization payment — a financial grant made by the federal government to a poorer province in order to facilitate a level of services equal to that of a richer province
- equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
- european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
- factor of production — any instrument, agent, etc., employed in the production of goods and services.
- flame-fusion process — Verneuil process.
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- friar minor capuchin — capuchin (def 4).
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- fulminating compound — a fulminate.
- function application — A function applied to (some of) its arguments. If it is not applied to all its argument then it is a "partial application". Application is usually written in the form f(x) but some languages such as command-line interpreters and many functional languages use juxtaposition: f x. Lisp places the parentheses around the whole application: (f x).
- fundamental particle — elementary particle.
- general postal union — former name of Universal Postal Union. Abbreviation: GPU.
- general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
- get one's hackles up — to become tense with anger; bristle
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- group representation — representation in a governing body on the basis of interests rather than by geographical location.
- hampton court palace — a royal palace in Hampton, London, built in 1515 by Cardinal Wolsey
- hang up one's spikes — to retire, as from a professional sport
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- hate a person's guts — to dislike a person very strongly
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- hospitality industry — the hotel and accommodation industry
- household appliances — devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- how are you keeping? — how are you?
- hudson's bay company — a company chartered in England in 1670 to carry on fur trading with the Indians in North America.
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
- human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
- imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.