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16-letter words containing a, c, u, t, r

  • pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
  • paediatric nurse — a nurse who specializes in the care of children
  • palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
  • pancreatic juice — a thick, colorless, very alkaline fluid secreted by the pancreas, containing enzymes that break down protein, fat, and starch.
  • parachute rigger — a person who inspects, repairs, and packs or folds parachutes.
  • paratuberculosis — Johne's disease.
  • partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
  • paterson's curse — a purple-flowered noxious plant, Echium plantagineum, a close relative of viper's bugloss, naturalized in Australia and NZ where its harmfulness to livestock has prompted attempts to limit its spread
  • perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
  • permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
  • perpendicularity — vertical; straight up and down; upright.
  • personality cult — deliberately cultivated adulation of a person, esp a political leader
  • photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
  • phrase structure — the hierarchical arrangement of the constituent words and phrases of a sentence.
  • picture postcard — postcard (def 1).
  • piscis austrinus — a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut
  • plutarch's lives — (Parallel Lives) a collection (a.d. 105–15) by Plutarch of short biographies of the leading political figures of ancient Greece and Rome.
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
  • project guardian — (project, security)   A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
  • propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
  • prosecution case — the case brought against someone by a legal authority
  • proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
  • pseudo-patriotic — of, like, suitable for, or characteristic of a patriot.
  • pseudo-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
  • pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
  • public transport — fare-paying travel
  • punctuation mark — any of a group of conventional marks or characters used in punctuation, as the period, comma, semicolon, question mark, or dash.
  • purchase request — A purchase request is a document detailing required items, the number required and when they will be required. Once approved it becomes a purchase order.
  • purchasing agent — a person who buys materials, supplies, equipment, etc., for a company.
  • pure watercolour — water-soluble pigment, applied in transparent washes and without the admixture of white pigment in the lighter tones
  • quadricentennial — of, relating to, or marking the completion of a period of four hundred years.
  • quantum computer — a computer that makes use of the quantum states of electrons or other particles to store and process information as quantum bits.
  • quasi-democratic — pertaining to or of the nature of democracy or a democracy.
  • quasi-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • quatercentennial — pertaining to or marking a period of 400 years.
  • radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
  • rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
  • rating community — an online community based around a website that allows members to rate each other's photographs, qualifications, etc, as well as those of applicants, and which only those approved by existing members are allowed to join
  • reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
  • real-time euclid — Real-time language, restriction to time-bounded constructs. ["Real-Time Euclid: A Language for Reliable Real-Time Systems", E. Kligerman et al, IEEE Trans Software Eng SE-12(9):941-1986-09-949].
  • rearguard action — an action fought by a rearguard
  • reconceptualized — to form into a concept; make a concept of.
  • rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
  • reporting clause — A reporting clause is a clause which indicates that you are talking about what someone said or thought. For example, in 'She said that she was hungry', 'She said' is a reporting clause.
  • republican party — one of the two major political parties in the U.S.: originated 1854–56.
  • research quantum — the standard by which the contribution to a university of individual academics is measured and on the basis of which universities receive government funding and academics are promoted
  • research student — a student studying for a doctoral award, that is, a PhD or an MPhil
  • residual current — an electric current that continues to flow in a device, etc when there is no voltage supply, due to electrons emitted by heat, etc
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