17-letter words containing r, u, n
- armature reaction — a change in the magnetic field of a dynamo caused by the magnetic field induced by the current flowing through the armature.
- aromatic compound — an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor.
- around the corner — If you say that something is around the corner, you mean that it will happen very soon. In British English, you can also say that something is round the corner.
- arsenic disulfide — an orange-red, water-insoluble, poisonous powder, As 4 S 4 , As 2 S 2 , or AsS, used chiefly in the manufacture of fireworks.
- articulated joint — Anatomy. a flexible joint.
- arunachal pradesh — a state in NE India, formed in 1986 from the former Union Territory. Capital: Itanagar. Pop: 1 091 117 (2001). Area: 83 743 sq km (32 648 sq miles)
- ashton-under-lyne — a town in NW England, in Tameside unitary authority, Greater Manchester. Pop: 43 236 (2001)
- astronomical unit — a unit of distance used in astronomy equal to the mean distance between the earth and the sun. 1 astronomical unit is equivalent to 1.495 × 1011 metres or about 9.3 × 107 miles
- audience research — research into the make-up and habits of the audience of a particular television or radio programme or network
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- audubon's warbler — a common North American wood warbler, Dendroica coronata, having yellow spots on the rump, crown, and sides, including a white-throated eastern subspecies (myrtle warbler) and a yellow-throated western subspecies (Audubon's warbler)
- augmented reality — an artificial environment created through the combination of real-world and computer-generated data
- australia antigen — an antigen present in the blood of some persons with one form of hepatitis
- australia current — a branch of the South Equatorial Current flowing SW from around Fiji to the E coast of Australia and then S along the coast.
- australian ballot — an official ballot listing candidates for election to public office and issues, levies, etc., distributed inside the polling place to be marked by the voter in secret: it originated in Australia and is widely used in the U.S.
- australian kelpie — one of an Australian breed of medium-sized sheepherding dogs having a short, harsh, straight coat in a combination of colors that can include black, red, tan, fawn, chocolate, or smoke blue, probably developed by crossbreeding between the border collie and dingo.
- australian salute — a movement of the hand and arm made to brush flies away from one's face
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- authority control — the establishment and maintainance of consistent forms of terms, as of names, subjects, and titles, to be used as headings in bibliographic records.
- autocorrelational — Of or pertaining to autocorrelation.
- automatic writing — writing performed without apparent intent or conscious control, especially to achieve spontaneity or uncensored expression.
- aviation industry — a collective term for the companies involved in air transport
- avogadro's number — the constant, 6.022 × 10 23 , representing the number of atoms, molecules, or ions in one mole of a substance. Symbol: N. Compare gram-atom, gram molecule.
- avoirdupois pound — a pound weighing 16 ounces
- bachelor's button — any of several plants of a genus (Centaurea) of the composite family, that have scaly, vase-shaped bracts below the white, pink, or blue flowers; esp., the cornflower and knapweed
- bachelor's-button — any of various plants with round flower heads, especially the cornflower.
- background report — a report on someone or something that sheds light on their background, esp a report on the background of a person convicted of a crime before they are sentenced by a judge
- baden-wurttemberg — a state of SW Germany. Capital: Stuttgart. Pop: 53 938 (2003 est). Area: 35 742 sq km (13 800 sq miles)
- balance of nature — the stable state in which natural communities of animals and plants exist, maintained by adaptation, competition, and other interactions between members of the communit ies and their nonliving environment
- bankruptcy estate — all of the interests that a debtor has at the start of a bankruptcy case
- barkhausen effect — the phenomenon of short, sudden changes in the magnetism of a ferromagnetic substance occurring when the intensity of the magnetizing field is continuously altered.
- barrow-in-furness — an industrial town in NW England, in S Cumbria. Pop: 47 194 (2001)
- be on the rebound — If you say that someone is on the rebound, you mean that they have just ended a relationship with a girlfriend or boyfriend. This often makes them do things they would not normally do.
- be running scared — If you say that a person or group is running scared, you mean that they are frightened of what someone might do to them or what might happen.
- be your own woman — If you say that a woman is her own woman, you approve of the fact that she makes her plans and decisions herself, and does not depend on other people.
- between ourselves — in confidence; as a secret
- bighorn mountains — range of the Rocky Mountains in N Wyo. and S Mont.: highest peak, 13,165 ft (4,013 m)
- bill of adventure — a certificate made out by a merchant to show that goods handled by him and his agents are the property of another party at whose risk the dealing is done
- binocular rivalry — the phenomenon whereby one is unable to see simultaneously different images presented one to each eye; usually in some areas of the eye the image presented to the left eye is seen, in others that presented to the right eye
- bjarne stroustrup — (person) The father of C++ and author of the C++ bible.
- blackboard jungle — a school or school system characterized by lack of discipline and by juvenile delinquency.
- blackcurrant bush — a bush of the blackcurrant plant
- blackout curtains — thick, lined curtains designed to shut out all daylight and keep a room in complete darkness
- blood and thunder — A blood and thunder performer or performance is very loud and emotional.
- blood transfusion — A blood transfusion is a process in which blood is injected into the body of a person who is badly injured or ill.
- blood-and-thunder — sensationalism, violence, or exaggerated melodrama: a movie full of blood and thunder.
- blowout preventer — A blowout preventer is a valve that can be closed when there is uncontrolled flow of fluids.
- blue dot syndrome — (graphics, jargon) The inability to display an image file or text embedded in an image file on your monitor.
- bluegrass country — region in central Ky. where there is much bluegrass