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23-letter words containing a, n, d

  • overnight accommodation — accommodation provided by an establishment (such as a hotel) where guests can sleep or spend the night
  • painting and decorating — interior decoration
  • parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
  • parkinson's law of data — "Data expands to fill the space available for storage"; buying more memory encourages the use of more memory-intensive techniques. It has been observed over the last 10 years that the memory usage of evolving systems tends to double roughly once every 18 months. Fortunately, memory density available for constant dollars also tends to double about once every 12 months (see Moore's Law); unfortunately, the laws of physics guarantee that the latter cannot continue indefinitely.
  • parliamentary candidate — sb standing for election to government
  • parliamentary democracy — a system of government in which people elect representatives to a parliament to make laws, for example Canada and the UK
  • partial differentiation — the process of finding one of the partial derivatives of a function of several variables.
  • participating preferred — a preferred stock entitled to its fixed dividend and to additional ones on a specified basis after payment of dividends on common stock.
  • past one's sell-by date — If you say that someone or something is past their sell-by date, you mean they are no longer effective, interesting, or useful.
  • patient confidentiality — the law that a doctor or medical practitioner cannot reveal anything said to them by their patients during consultation or treatment
  • pentagonal dodecahedron — pyritohedron.
  • percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
  • performance-related pay — salary based on individual assessment
  • peroxymonosulfuric acid — persulfuric acid (def 1).
  • pest control department — the local government department responsible for controlling such pests as rats and mice
  • photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
  • plain old documentation — (text)   (pod, occasionally "POD") A simple markup language used to embed documentation, literate programming-style, in Perl programs. Pod readers and converters are part of the standard Perl distribution and the documentation provided with Perl is all in pod format.
  • plan position indicator — a radarscope on which an object reflecting radar waves shows its bearing and distance from the radar detector by causing a spot of light to appear on a screen that represents a map of the area around the detector. Abbreviation: PPI.
  • polish lowland sheepdog — a strongly-built medium-sized sheepdog of a Polish breed with a long thick shaggy coat that covers the eyes
  • polybrominated biphenyl — PBB.
  • positive discrimination — special opportunities
  • postcode discrimination — discrimination on the basis of the area where someone lives, with relation to employment, credit rating, etc
  • precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
  • preclinical safety data — Preclinical safety data is information about the safety of a medication that is assessed before clinical trials.
  • preferred provider plan — A preferred provider plan is a health insurance plan in the U.S. written by an organization of hospitals and physicians who provide services to clients of a particular insurance company.
  • presidential government — a system of government in which the powers of the president are constitutionally separate from those of the legislature.
  • private limited company — a company whose shares can be bought by the public
  • process hazard analysis — Process hazard analysis is calculating what might be a hazard in a process, how likely it is to happen, and what should be done if someone or something is exposed to this hazard.
  • product differentiation — the real or illusory distinction between competing products in a market
  • productivity bargaining — the process of reaching an agreement (productivity agreement) through collective bargaining whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
  • professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
  • profit and loss account — income account (def 2).
  • program design language — Any of a large class of formal and profoundly useless pseudo-languages in which management forces one to design programs. Too often, management expects PDL descriptions to be maintained in parallel with the code, imposing massive overhead of little or no benefit. See also flow chart.
  • programmer brain damage — (humour)   (PBD) A classification of a bug which was obviously introduced by an incompetent or short-sighted programmer. Compare UBD. See also brain-damaged.
  • psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
  • publicly-quoted company — a company whose shares are traded on a stock exchange
  • quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
  • quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
  • queen charlotte islands — a group of about 150 islands off the W coast of Canada: part of British Columbia. Pop: about 6000 (latest est). Area: 9596 sq km (3705 sq miles)
  • queen elizabeth islands — a group of islands off the N coast of Canada: the northernmost islands of the Canadian Arctic archipelago, lying N of latitude 74°N; part of Nunavut. Area: about 390 000 sq km (150 000 sq miles)
  • quod erat demonstrandum — (at the conclusion of a proof, esp of a theorem in Euclidean geometry) which was to be proved
  • quote chapter and verse — [by analogy with the mainstream phrase] To cite a relevant excerpt from an appropriate bible. "I don't care if "rn" gets it wrong; "Followup-To: poster" is explicitly permitted by RFC 1036. I'll quote chapter and verse if you don't believe me." See also legalese, language lawyer, RTFS (sense 2).
  • radial drilling machine — a machine in which the drilling head is mounted to slide along a radial arm which can be rotated, raised, or lowered on a vertical mast to adjust the position of the drill above the workpiece
  • radio direction finding — the act or process of finding the direction to a radio source by comparing the signal strength of antennae pointing in different directions
  • random number generator — a piece of computer software used to create a sequence of random numbers
  • rank outsider/outsiders — If one of the people in a competition is described as a rank outsider, they are considered to have very little chance of winning.
  • rate-of-climb indicator — a flight instrument that indicates the rate of climb or descent of an aircraft.
  • real simple syndication — (spelling)   Illiterate form of Really Simple Syndication.
  • rectangular coordinates — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
  • red-bellied black snake — a highly venomous Australian black snake, Pseudechis porphyriacus, with a reddish underside
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