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23-letter words containing d, i, t, r

  • 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.
  • participatory democracy — individual participation by citizens in political decisions and policies that affect their lives, especially directly rather than through elected representatives.
  • percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
  • philadelphia pepper pot — pepper pot (def 1).
  • photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
  • photoelectric threshold — the minimum frequency or maximum wavelength of incident radiation necessary to release photons from a given surface.
  • 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.
  • 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
  • potassium acid tartrate — cream of tartar.
  • 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.
  • 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
  • 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).
  • psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
  • put the record straight — to correct an error or misunderstanding
  • 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)
  • 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
  • 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.
  • refinery waste disposal — Refinery waste disposal is the system for dealing with waste materials, especially hazardous ones, in a refinery.
  • relativity of knowledge — the theory that all knowledge is relative to the mind, or that things can be known only through their effects on the mind, and that consequently there can be no knowledge of reality as it is in itself
  • residual current device — a circuit-breaking device installed in electrical equipment to protect the operator from electrocution
  • residual debt insurance — Residual debt insurance is a type of risk insurance that banks often require when granting a loan, which is used to guarantee that the loan is repaid in the event of death or disability.
  • respondent conditioning — conditioning (def 2).
  • rheumatic heart disease — damage to the heart, especially to the valves, as a result of rheumatic fever, characterized by inflammation of the myocardium or scarring and malfunction of the heart valves.
  • right circular cylinder — a cylinder generated by the revolution of a rectangle about one of its sides.
  • right, left, and centre — on all sides; from every direction
  • route of administration — A route of administration is the means by which a drug or agent enters the body, such as by mouth or by injection.
  • rsa data security, inc. — (cryptography, company)   (After Rivest, Shamir, Adleman - see RSA) A recognised world leader in cryptography, with millions of copies of its software encryption and authentication installed and in use worldwide. RSA's technologies are the global de facto standard for public key cryptography and digital signatures, and are part of existing and proposed standards for the Internet, ITU-T, ISO, ANSI, PKCS, IEEE and business and financial networks around the world.
  • russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
  • sb doesn't miss a trick — If you say that someone does not miss a trick, you mean that they always know what is happening and take advantage of every situation.
  • security association id — (networking)   (SAID) A 32-bit field added to packet headers for encryption and authentication in the proposed Internet Protocol Version 6.
  • sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
  • short-billed marsh wren — sedge wren.
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