18-letter words containing k, o, r, n
- prairie wake-robin — a woodland trillium, Trillium recurvatum, of the central U.S., having purple-mottled leaves and brown-purple flowers.
- prince of darkness — Satan.
- prison rustic work — rustication having a deeply pitted surface.
- programming skills — the skills required to write a program so that data may be processed by a computer
- put the mockers on — stop, thwart
- radiation sickness — sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage.
- random walk theory — the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern
- relative minor key — a minor key that has the same key signature as a major key, but a different tonic
- rock cornish (hen) — Cornish (sense 3) Cornish (sense 3b)
- runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
- scruff of the neck — If someone takes you by the scruff of the neck, they take hold of the back of your neck or collar suddenly and roughly.
- shorthand notebook — a notebook used by a shorthand writer
- ski-mountaineering — a combination of the sports of skiing and mountaineering, for example by climbing up a mountain then skiing down it
- skin friction drag — aerodynamic resistance or drag due to the contact of moving air with the surface of an airplane, a glider, etc.
- social bookmarking — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
- societal marketing — marketing that takes into account society's long-term welfare
- software backplane — (programming, tool) A CASE framework from Atherton.
- stockholm syndrome — an emotional attachment to a captor formed by a hostage as a result of continuous stress, dependence, and a need to cooperate for survival.
- take out insurance — take out insurance against something
- task control block — (architecture) An MVS control block used to communicate information about tasks within an address space that are connected to an MVS subsystem such as MQSeries for MVS/ESA or CICS.
- telford and wrekin — a unitary authority in W Central England, in Shropshire. Pop: 160 300 (2003 est). Area: 289 sq km (112 sq miles)
- the dark continent — a term for Africa when it was relatively unexplored
- the kinetic theory — a theory of gases postulating that they consist of particles of negligible size moving at random and undergoing elastic collisions
- the northern karoo — a high arid plateau in South Africa, north of the Central Karoo
- the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
- think the world of — the earth or globe, considered as a planet.
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- to be on the rocks — if something such as a marriage or a business is on the rocks, it is experiencing very severe difficulties and looks likely to end very soon
- to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
- transmission brake — A transmission brake is a brake that operates on the transmission system of a vehicle rather than directly on the wheels.
- trickle irrigation — drip irrigation.
- turn one's back on — the rear part of the human body, extending from the neck to the lower end of the spine.
- under lock and key — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- up to one's tricks — If you say that someone is up to their tricks or up to their old tricks, you disapprove of them because they are behaving in the dishonest or deceitful way in which they typically behave.
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- virginia snakeroot — any of various plants whose roots have been regarded as a remedy for snakebites, as the herb Aristolochia serpentaria (Virginia snakeroot) having a medicinal rhizome and rootlets, and the white-flowered Polygala senega (Seneca snakeroot) having a medicinal root.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- weak nuclear force — weak interaction
- western meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
- westinghouse brake — a railroad air brake operated by compressed air.
- wingback formation — single wingback formation.
- work one's ass off — work extremely hard
- work out the kinks — If someone works out the kinks in a situation, they resolve the problems associated with it.
- work-study student — a student who is permitted to work while studying, and use the money earned to pay for their studies
- working hypothesis — See under hypothesis (def 1).
- working men's club — A working men's club is a place where working people, especially men, can go to relax, drink alcoholic drinks, and sometimes watch live entertainment.
- zion national park — a park in SW Utah. 148 sq. mi. (383 sq. km).