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18-letter words containing n, o, r, i, c, u

  • pacinian corpuscle — (sometimes lowercase) a microscopic, onionlike body consisting of layers of connective tissue wrapped around a nerve ending, located in the deep layers of skin, tendons, etc., and functioning as a sensory receptor of pressure and vibration.
  • pan american union — a former organization of American republics dedicated to furthering understanding and peace: replaced in 1970 by the secretariat of the Organization of American States.
  • parallel computing — parallel processing
  • parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
  • percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
  • percussion section — orchestra, group: drums, etc.
  • percussion welding — a form of resistance welding in which the required pressure is provided by a hammerlike blow.
  • perfect continuous — perfect progressive.
  • perlocutionary act — the action of affecting someone by uttering certain words
  • pernicious anaemia — Pernicious anaemia is a very severe blood disease.
  • personal insurance — insurance on personal risk, such as car insurance, health insurance or loss of earnings insurance
  • phoenician juniper — a type of juniper that is found in the Mediterranean region
  • pitch-and-run shot — chip shot.
  • pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
  • population control — a policy of attempting to limit the growth in numbers of a population, esp in poor or densely populated parts of the world, by programmes of contraception or sterilization
  • porcupine anteater — an echidna or spiny anteater.
  • portal circulation — blood flow in a portal system.
  • precious moonstone — moonstone (def 1).
  • present continuous — a verb form consisting of an auxiliary be in the present tense followed by a present participle and used especially to indicate that a present action or event is in progress, being repeated, or of a temporary nature or to express the future.
  • prison rustic work — rustication having a deeply pitted surface.
  • process scheduling — multitasking
  • procrustean string — (programming)   A fixed-length string. If a string value is too long for the allocated space, it is truncated to fit; and if it is shorter, the empty space is padded, usually with space characters. This is an allusion to Procrustes, a legendary robber of ancient Attica. He bound his victims to a bed, and if they were shorter than the bed, he stretched their limbs until they would fit; if their limbs were longer, he lopped them off.
  • production company — an organization which produces, films, plays, television or radio programmes
  • production control — the planning and supervision of manufacturing activities to ensure that goods will be produced on time at the lowest possible cost.
  • production manager — a supervisor of the budget, crew and other details in the production of a film or play
  • productivity bonus — an extra payment made to workers for being more productive or yielding more favourable results than normal
  • property insurance — insurance coverage for land and housing
  • protocol data unit — (PDU) A packet of data passed across a network. The term implies a specific layer of the OSI seven layer model and a specific protocol.
  • provincial council — (formerly) a council administering any of the New Zealand provinces
  • pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
  • public corporation — a corporation, owned and operated by a government, established for the administration of certain public programs.
  • puerto rico trench — a depression in the ocean floor, N of Puerto Rico: includes deepest part of Atlantic Ocean, 28,374 feet (8648 meters).
  • pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
  • purchasing officer — the member of staff in an organization who is responsible for buying goods or products
  • puss in the corner — a parlor game for children in which one player in the middle of a room tries to occupy any of the positions along the walls that become vacant as other players dash across to exchange places at a signal.
  • quadratic equation — an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).
  • quality controller — a person responsible for checking that the goods or services produced by an organization are of an acceptable standard
  • quite the contrary — not at all, the very opposite
  • radiocommunication — communication by means of radio waves
  • reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
  • recruiting officer — a person whose job is to recruit staff, esp on behalf of the military
  • recursive function — a function defined in terms of the repeated application of a number of simpler functions to their own values, by specifying a base clause and a recursion formula
  • reduction division — the first division of meiosis in which the number of chromosomes is reduced to half the original number.
  • reduction strategy — (theory)   An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
  • reference counting — (programming)   A garbage collection technique where each memory cell contains a count of the number of other cells which point to it. If this count reaches zero the cell is freed and its pointers to other cells are followed to decrement their counts, and so on recursively. This technique cannot cope with circular data structures. Cells in such structures refer (indirectly) to themselves and so will never have a zero reference count. This means they would never be reclaimed, even when there are no references from outside the structure.
  • reproduction proof — repro proof.
  • resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
  • resuscitation room — an intensive care unit
  • revolution counter — a device for counting or recording the number of revolutions made by a rotating shaft, as of a motor or engine.
  • roman architecture — buildings in style of ancient Rome
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