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18-letter words containing p, e, r, i, o, n

  • conceptual realism — the doctrine that universals have real and independent existence.
  • conjugated protein — a biochemical compound consisting of a sequence of amino acids making up a simple protein to which another nonprotein group (a prosthetic group), such as a carbohydrate or lipid group, is attached
  • conservative party — The Conservative Party is the main right-of-centre party in Britain.
  • constituency party — a branch of a political party operating within a constituency
  • construction paper — Construction paper is a type of stiff, colored paper that children use for drawing and for making things.
  • constructive proof — (mathematics)   A proof that something exists that provides an example or a method for actually constructing it. For example, for any pair of finite real numbers n < 0 and p > 0, there exists a real number 0 < k < 1 such that f(k) = (1-k)*n + k*p = 0. A constructive proof would proceed by rearranging the above to derive an equation for k: k = 1/(1-n/p) From this and the constraints on n and p, we can show that 0 < k < 1. A few mathematicians actually reject *all* non-constructive arguments as invalid; this means, for instance, that the law of the excluded middle (either P or not-P must hold, whatever P is) has to go; this makes proof by contradiction invalid. See intuitionistic logic. Constructive proofs are popular in theoretical computer science, both because computer scientists are less given to abstraction than mathematicians and because intuitionistic logic turns out to be an appropriate theoretical treatment of the foundations of computer science.
  • continuous process — A continuous process is a process in which the product comes out without interruption and not in groups.
  • control experiment — an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned
  • controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
  • conversation piece — something, esp an unusual object, that provokes conversation
  • cooling-off period — A cooling-off period is an agreed period of time during which two sides with opposing views try to resolve a dispute before taking any serious action.
  • cornucopian thesis — the belief that, as long as science and technology continue to advance, growth can continue for ever because these new advances create new resources
  • corporate anorexia — a malaise of a business organization resulting from making too many creative people redundant in efforts to cut costs
  • corporate identity — business brand
  • corps of engineers — a branch of the U.S. Army responsible for military and many civil engineering projects.
  • counter-adaptation — the act of adapting.
  • counter-hypothesis — a proposition, or set of propositions, set forth as an explanation for the occurrence of some specified group of phenomena, either asserted merely as a provisional conjecture to guide investigation (working hypothesis) or accepted as highly probable in the light of established facts.
  • counter-productive — Something that is counter-productive achieves the opposite result from the one that you want to achieve.
  • counterprogramming — the practice of scheduling a program opposite another program, esp. a popular one, that appeals to a different kind of audience, as in placing a romantic film directed at women opposite a sports program mainly watched by men
  • counterproposition — a proposition made in place of or in opposition to a preceding one.
  • countertherapeutic — Working against a therapy.
  • cranial osteopathy — osteopathy that focuses on the cranium and the spine
  • creatine phosphate — phosphocreatine.
  • crown-jewel option — an option given by a company subjected to an unwelcome takeover bid to a friendly firm, allowing this firm to buy one or more of its best businesses if the bid succeeds
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cursor dipped in x — (jargon)   The metaphorical source of the electronic equivalent of a poisoned-pen letter. Derived from English metaphors of the form "pen dipped in X" (where X = e.g. "acid", "bile", "vitriol"). These map over neatly to this hackish usage (the cursor being what moves, leaving letters behind, when one is composing on-line). "Talk about a nastygram! He must've had his cursor dipped in acid when he wrote that one!"
  • deanthropomorphism — the ridding of philosophy or religion of anthropomorphic beliefs and doctrines.
  • decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
  • decision procedure — a procedure, as an algorithm, for determining in a finite number of steps the validity of any of a certain class of propositions.
  • decompartmentalize — to remove excessive compartmentalization from (an organization)
  • developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
  • development period — a length of time during which a company grows
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • divine inspiration — insight provided by higher power
  • doctype decoration — (humour)   When a web author adds a doctype declaration but doesn't bother to write valid HTML.
  • dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
  • dot matrix printer — (hardware, printer)   A kind of printer with a vertical column of up to 48 small closely packed needles or "pins" each of which can be individually forced forward to press an ink ribbon against the paper. The print head is repeatedly scanned across the page and different combinations of needles activated at each point. Dot matrix printers are noisy compared to non-impact printers.
  • dot-matrix printer — device: prints using matrix dots
  • drainpipe trousers — trousers with very narrow legs
  • drop in the bucket — a deep, cylindrical vessel, usually of metal, plastic, or wood, with a flat bottom and a semicircular bail, for collecting, carrying, or holding water, sand, fruit, etc.; pail.
  • dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
  • duty-free shopping — the making of duty-free purchases
  • economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • electric potential — the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field
  • electronic receipt — An electronic receipt is one created in a computerized cash register, or by an online retailer. It will usually show the date and time, how payment is made, and other details of the sale.
  • elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
  • employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
  • energy consumption — amount of energy used
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
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