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

  • 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
  • pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
  • point of reference — A point of reference is something which you use to help you understand a situation or communicate with someone.
  • political prisoner — sb imprisoned for political dissidence
  • porcupine anteater — an echidna or spiny anteater.
  • portion-controlled — being a standardized portion of food: The restaurant uses frozen, portion-controlled entrées.
  • 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.
  • present participle — Grammar. a participle form, in English having the suffix -ing, denoting repetition or duration of an activity or event: used as an adjective, as in the growing weeds, and in forming progressive verb forms, as in The weeds are growing.
  • principal argument — the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
  • process identifier — (operating system)   (PID) An integer used by the Unix kernel to uniquely identify a process. PIDs are returned by the fork system call and can be passed to wait() or kill() to perform actions on the given process.
  • processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
  • 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
  • projection machine — an apparatus that projects motion pictures; projector.
  • projection printer — enlarger.
  • property insurance — insurance coverage for land and housing
  • proprietary colony — any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government.
  • protein deficiency — a lack or insuffiency of protein
  • provincetown print — a print made from a woodblock incised with grooves that serve to separate the colors being used and to leave white lines highlighting the design.
  • provision merchant — a person or company in the business of retailing food and other provisions
  • 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.
  • 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
  • quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
  • quite the contrary — not at all, the very opposite
  • rabbit-proof fence — a fence through which rabbits are unable to pass
  • racial segregation — social policy: separation of races
  • radiant efficiency — the ratio of the power emitted by a source of radiation to the power consumed by it
  • radiation sickness — sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage.
  • radioactive dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
  • radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
  • raffinate recovery — Raffinate recovery is the use of a substance which is left after a process is complete and the desired substances have been removed.
  • rape crisis centre — a place that provides support to people who have been victims of rape or other kinds of sexual abuse
  • reaction formation — a behavioral tendency developed in direct opposition to a repressed impulse.
  • reactive component — the component in an alternating-current circuit that does not contribute power because it is 90° out of phase with the voltage or current.
  • recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
  • recharacterization — portrayal; description: the actor's characterization of a politician.
  • reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
  • recovery operation — the process of locating and retrieving bodies, esp following an explosion or natural disaster
  • 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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