12-letter words containing n, o, r, a
- jameson raid — an expedition into the Transvaal in 1895 led by Sir Leander Starr Jameson (1853–1917) in an unsuccessful attempt to topple its Boer regime
- jan gossaert — Jan [Flemish yahn] /Flemish yɑn/ (Show IPA), (Jan Gossaert or Gossart) 1478?–1533? Flemish painter.
- japan clover — a drought-resistant bush clover, Lespedeza striata, of the legume family, introduced to the southern Atlantic states from Asia, having numerous tiny trifoliate leaves valued for pasturage and hay.
- japonaiserie — stylistic characteristics, as in art, decor, or film, influenced by or reflective of Japanese culture and tradition.
- jaw-dropping — Something that is jaw-dropping is extremely surprising, impressive, or shocking.
- jeffersonian — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- jelenia gora — a city in SW Poland, a historic mining center.
- jeopardising — Present participle of jeopardise.
- jeopardizing — Present participle of jeopardize.
- job creation — the process by which the number of jobs in an area, organization, etc is increased
- job rotation — the practice of transferring an employee from one work station or activity to another during the working day in order to add variety to a job: often used in assembly line work
- jodrell bank — site of a radio astronomy observatory (Nuffield Radio Astronomy Laboratories) in NE Cheshire, England, that operates a 250-foot (76-meter) radio telescope.
- johannesburg — a city in S Transvaal, in the NE Republic of South Africa.
- johnsongrass — a tall perennial sorghum widely used as forage
- joint author — a person who shares the writing of a book, article, etc, with another
- joking apart — seriously: said to recall a discussion to seriousness after there has been joking
- jordan curve — simple closed curve.
- jordan river — Barbara Charline, 1936–96, U.S. politician.
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- journalistic — of, relating to, or characteristic of journalists or journalism.
- journeywoman — The female equivalent of a journeyman.
- junior class — the penultimate class in high school or college
- jury foreman — a member of a jury in a court of law who is chosen by the other members to act as spokesperson for the jury
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- kalmar sound — a strait between SE Sweden and Öland Island. 85 miles (137 km) long; 14 miles (23 km) wide.
- kangaroo dog — an Australian breed of large rough-haired dog that resembles a greyhound and is bred to hunt kangaroos
- kangaroo paw — any plant of the Australian genus Anigozanthos, resembling a kangaroo's paw, esp the red-and-green flowered A. manglesii, which is the floral emblem of Western Australia: family Haemodoraceae
- kangaroo rat — any of various small jumping rodents of the family Heteromyidae, of Mexico and the western U.S.
- karyokinesis — mitosis.
- karyokinetic — Of or pertaining to karyokinesis.
- karyomapping — a technique for determining whether an embryo has inherited a genetic defect by analysing DNA taken from it and its close relatives
- keratinocyte — An epidermal cell that produces keratin.
- keratogenous — producing horn or a horny substance.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- keraunograph — an instrument for recording thunderstorms by detecting the radio waves generated
- kinetography — a camera for taking pictures for a kinetoscope.
- king-of-arms — a title of certain of the principal heralds of England and certain other kingdoms empowered by their sovereigns to grant armorial bearings.
- kiteboarding — A sport in which participants ride a form of wakeboard or surfboard harnessed to a large kite which is controlled by the rider.
- kittikachorn — Thanom [thah-nom] /θɑˈnɒm/ (Show IPA), 1911–2004, Thai army officer and statesman: premier 1963–73.
- kluge around — (jargon) To avoid a bug or difficult condition by inserting a kluge. Compare workaround.
- knock around — to strike a sounding blow with the fist, knuckles, or anything hard, especially on a door, window, or the like, as in seeking admittance, calling attention, or giving a signal: to knock on the door before entering.
- kolyma range — a mountain range in NE Russia, in NE Siberia, extending about 1100 km (700 miles) between the Kolyma River and the Sea of Okhotsk. Highest peak: 1862 m (6109 ft)
- korsakoffian — relating to or suffering from Korsakoff's psychosis
- la mano nera — Black Hand (def 1).
- labia minora — female genitals: inner folds of skin
- labor-saving — A labor-saving device or idea makes it possible for you to do something with less effort than usual.
- laboratorian — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- labour pains — the pains felt during the contractions of childbirth
- laboursaving — reducing (human) effort, hard work, or labour
- lachrymation — the secretion of tears, especially in abnormal abundance.