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18-letter words containing u, n, t, r, i, e

  • persistent cruelty — conduct causing fear of danger to the life or health of a spouse (used in matrimonial proceedings before magistrates)
  • petroleum engineer — A petroleum engineer is an engineer who is involved in most stages of oil and gas field evaluation, development, and production, whose job is to maximize hydrocarbon recovery and reduce costs and environmental impact.
  • picture-in-picture — a feature of some television receivers and similar devices in which one programme is displayed on the full TV screen at the same time as one or more other programmes are displayed in inset windows
  • piperonyl butoxide — a light-brown liquid, C 1 9 H 3 0 O 5 , used chiefly as a synergist in certain insecticides.
  • pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
  • point of departure — Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water.
  • point of no return — Aviation. the point in a flight at which an aircraft will lack sufficient fuel to return to its starting point.
  • population figures — population totals; statistics relating to the size of populations
  • porcupine anteater — an echidna or spiny anteater.
  • portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
  • portuguese guinean — of or relating to Portuguese Guinea, a former name for Guinea-Bissau, or its inhabitants
  • post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
  • potassium myronate — sinigrin.
  • preantepenultimate — third from the end.
  • precious moonstone — moonstone (def 1).
  • predation pressure — the effect of predation upon a population, resulting in the decrease in size of that population.
  • 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.
  • presidential suite — a suite of rooms, as in a hotel, suitable for a president or other head of state.
  • presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
  • presuppositionless — to suppose or assume beforehand; take for granted in advance.
  • primus inter pares — (of males) first among equals.
  • principal argument — the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
  • priority interrupt — (jargon)   Any stimulus compelling enough to yank one right out of hack mode. Classically used to describe being dragged away by an SO for immediate sex, but may also refer to more mundane interruptions such as a fire alarm going off in the near vicinity. Also called an NMI (non-maskable interrupt), especially in PC-land.
  • prison authorities — the people in charge of running a prison
  • 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 manager — a supervisor of the budget, crew and other details in the production of a film or play
  • property insurance — insurance coverage for land and housing
  • pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
  • public expenditure — spending by central government, local authorities, and public corporations
  • 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.
  • 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.
  • put one's shirt on — to bet all one has on (a horse, etc)
  • pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
  • 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
  • quantity surveying — the action or profession of a person who estimates the cost of the materials and labour necessary for a construction job
  • quartz-iodine lamp — a type of tungsten-halogen lamp containing small amounts of iodine and having a quartz envelope, operating at high temperature and producing an intense light for use in car headlamps, etc
  • queen's university — A Canadian University. Source of GVL, NIAL, Pasqual, Q'NIAL and TXL.
  • quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
  • quite the contrary — not at all, the very opposite
  • radiation exposure — exposure to radiant energy or to the particles emitted in the transfer of radiant energy, esp the particles and gamma rays emitted in nuclear decay; exposure to radioactive substances
  • radiation pressure — the pressure exerted on a surface by electromagnetic radiation or by sound 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
  • recruitment agency — company that places job candidates
  • 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.
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