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17-letter words containing c, h, i, n

  • psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
  • psycholinguistics — the study of the relationship between language and the cognitive or behavioral characteristics of those who use it.
  • quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
  • quantum mechanics — a theory of the mechanics of atoms, molecules, and other physical systems that are subject to the uncertainty principle. Abbreviation: QM.
  • quick on the draw — having fast reflexes
  • racial harassment — persecution on the basis of race
  • receding forehead — a forehead which slopes backwards
  • receding hairline — hair that is thinning at the front
  • republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
  • 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.
  • rhinoceros beetle — any of several scarabaeid beetles, especially of the genus Dynastes, which comprises the largest beetles, characterized by one or more horns on the head and prothorax.
  • ribbon microphone — a microphone that utilizes a metal ribbon suspended in a magnetic field.
  • 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.
  • sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
  • sawatch mountains — range of the Rocky Mountains, in central Colo.: highest peak, Elbert
  • 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.
  • schizophrenogenic — causative of schizophrenia.
  • scientific method — a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
  • scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
  • scratch 'n' sniff — denoting a product that releases a smell when scratched
  • shipping articles — articles of agreement.
  • shirt-tail cousin — a distant cousin
  • shoestring tackle — a tackle made around the ankles of the ball carrier.
  • shooting incident — an incident involving guns
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shopping precinct — pedestrian area with shops
  • shouting distance — hailing distance.
  • sign of the cross — a movement of the hand to indicate a cross, as from forehead to breast and left shoulder to right or, in the Eastern Orthodox Church, from right shoulder to left.
  • 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.
  • sixth commandment — “Thou shalt not kill”: sixth of the Ten Commandments.
  • skate on thin ice — to place oneself in a dangerous or delicate situation
  • smarandache logic — neutrosophic logic
  • smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply
  • snatch one's time — to leave a job, taking whatever pay is due
  • socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • spanish civil war — the civil war in Spain 1936–39.
  • special schooling — the system of educating children with special needs in schools designed to meet their needs
  • speech correction — the reeducation of speech habits that deviate from accepted speech standards.
  • speech impediment — speaking disorder
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • spit in the ocean — a variety of poker in which four cards are dealt face down to each player and one card, forming the fifth for all hands, is dealt face up in the center of the table, the exposed card and others of its denomination being wild cards.
  • spoonbill catfish — flathead catfish.
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