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17-letter words containing r, a, n, c, h

  • republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
  • respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
  • reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
  • roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
  • roman catholicism — the faith, practice, and system of government of the Roman Catholic Church.
  • saint christopher — Saint, died a.d. c250, Christian martyr.
  • san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
  • scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
  • scarlet lightning — scarlet lychnis.
  • schiff-s--reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
  • school playground — school's outdoor recreation area
  • scratch 'n' sniff — denoting a product that releases a smell when scratched
  • search and rescue — Search and rescue operations involve looking for people who are lost or in danger, for example, after a war or a natural disaster, and bringing them back safely.
  • shipping articles — articles of agreement.
  • shirt-tail cousin — a distant cousin
  • shoestring tackle — a tackle made around the ankles of the ball carrier.
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
  • shower attachment — a device fixed to taps to make a shower
  • significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
  • sinclair research — (company)   A British microelectronics developer and manufacturer. Evolving from Sinclair Radionics in 1979, Sinclair Research was owned by Sir Clive Sinclair. Sinclair Radionics produced electronic components and devices (such as calculators and pocket radios and televisions), but Sinclair Research began by producing some of the first 8-bit home microcomputers. Sinclair produced five microcomputers from 1980 to 1987, all based on the Zilog Z80 microprocessor (except for the QL, which used the Motorola 68008 - a variant on the 68000). The 1K kit-build ZX80, introduced in 1980, was followed by the 1K ZX81 (expandable to 16K) in 1981, the 16K (expandable to 48K) ZX Spectrum in 1982 (then superseded by two distinct 48K models and a 128K model in 1986) and the QL (Quantum Leap) in 1984. A portable laptop computer, the Z88, was released in 1987 under the Cambridge Computers banner. Of them all, the ZX Spectrum was the best known, and it went on to become the most popular microcomputer of its time in the United Kingdom and in many other territories. This was partly due to its ease of use, and also due to its enormous software catalogue, covering games, word processing, music, programming and graphics. Glorious "mine's-better-than-yours" battles were fought (and still are today) between owners of Spectrums and Commodore 64s over who had the best machine. Sir Clive's financial problems in the mid-80s led him to sell the rights to the Sinclair brand to Amstrad in April 1986. This led to further models of the Spectrum being released from 1986 to 1988 and also an IBM PC-compatible based internally on Amstrad's own PC range. Sir Clive was not involved with the production of these computers, and no computer with the Sinclair name has been produced since.
  • smarandache logic — neutrosophic logic
  • socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
  • spanish civil war — the civil war in Spain 1936–39.
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
  • squeegee merchant — a person who attempts to make money by squeegeeing the windscreens of cars that are stopped at traffic lights and then asking for payment
  • stag's-horn coral — staghorn coral.
  • stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
  • stare in the face — to gaze fixedly and intently, especially with the eyes wide open.
  • support mechanism — any formal system or method of providing support or assistance
  • sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
  • synchronistically — coincidence in time; contemporaneousness; simultaneousness.
  • teacher education — training to become a teacher, usually at an institution of higher education
  • teaching practice — Teaching practice is a period that a student teacher spends teaching at a school as part of his or her training.
  • teaching software — computer software for use in providing online education
  • technical drawing — the study and practice, esp as a subject taught in school, of the basic techniques of draughtsmanship, as employed in mechanical drawing, architecture, etc
  • technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
  • the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
  • the carboniferous — the Carboniferous period or rock system
  • the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
  • the final curtain — the closing of the curtain at the end of the action of a play
  • the rann of kutch — an extensive salt waste in W central India, and S Pakistan: consists of the Great Rann in the north and the Little Rann in the southeast; seasonal alternation between marsh and desert; some saltworks. In 1968 an international tribunal awarded about 10 per cent of the border area to Pakistan. Area: 23 000 sq km (9000 sq miles)
  • theatricalization — to put into dramatic or theatrical form; dramatize.
  • therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
  • thermocoagulation — the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.
  • third commandment — “Thou shalt not take the name of the Lord thy God in vain”: third of the Ten Commandments.
  • thread escutcheon — a raised metal rim around a keyhole.
  • threshing machine — a machine for removing grains and seeds from straw and chaff.
  • throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
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