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21-letter words containing p, d, c

  • development education — an area of study that aims to give pupils an understanding of their involvement in world affairs
  • diapason normal pitch — a standard of pitch in which A above middle C is established at 435 vibrations per second.
  • difference of opinion — disagreement
  • displacement activity — a behavior performed out of its usual context and apparently irrelevant to the prevailing situation, as eating when an unknown individual approaches, tending to occur when appropiate behaviors, as attacking or fleeing, are in conflict or obstructed.
  • disruptive technology — A disruptive technology is a new technology, such as computers and the Internet, which has a rapid and major effect on technologies that existed before.
  • distributed processes — (DP) The first concurrent language based on remote procedure calls.
  • drop the handkerchief — a children's game in which all the players but one stand in a circle facing inward, while that one player stealthily drops a handkerchief behind a player in the circle who must pursue and attempt to catch the one who dropped the handkerchief before the latter reaches the vacated place.
  • dwarf japanese quince — a low, shrubby, Japanese flowering quince, Chaenomeles japonica, of the rose family, having salmon-to-orange flowers and yellow fruit.
  • electric displacement — the electric flux density when an electric field exists in free space into which a dielectric is introduced
  • emd enterprises, inc. — (company)   A software development and consulting firm specialising in database and client-server applications.
  • emitter coupled logic — (ECL) (Or "Current Mode Logic") A technology for building logic gates where the emitter of a transistor is used as the output rather than its collector. ECL has a propagation time of 0.5 - 2 ns (faster than TTL) and a power dissipation 3 - 10 times higher than TTL.
  • endoplasmic reticulum — an extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins
  • epidemic encephalitis — any type of widespread encephalitis caused by various viruses
  • fluorophosphoric acid — any of three acids containing fluorine and phosphorus, HPF 6 , HPO 2 F 2 , or H 2 PO 3 F.
  • foreground processing — a type of processing that supports interaction between interactive and batch operations
  • foreign correspondent — a correspondent, as for a periodical, assigned to send back articles and news dispatches from a foreign country for publication.
  • forward compatibility — (jargon)   The ability to accept input from later versions of itself. Forward compatibility is harder to achieve than backward compatibility, since, in the backward case, the input format is know whereas a forward compatible system needs to cope gracefully with unknown future features. An example of future compatibility is the stipulation that a web browser should ignore HTML tags it does not recognise. See also extensible.
  • french fried potatoes — a more formal name for chips
  • fuming sulphuric acid — a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid
  • functional dependency — (database)   Given a relation R (in a relational database), attribute Y of R is functionally dependent on attribute X of R and X of R functionally determines Y of R (in symbols R.X -> R.Y) if and only if each X in R has associated with it precisely one Y in R (at any one time). Attributes X and Y may be composite. This is very close to a function in the mathematical sense.
  • girlfriend experience — a service provided by a prostitute that includes more personal activity, such as kissing, than provided traditionally by sex workers
  • hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
  • hyperkinetic disorder — another name for attention deficit hyperactivity disorder (ADHD)
  • hypothetico-deductive — pertaining to or governed by the supposed method of scientific progress whereby a general hypothesis is tested by deducing predictions that may be experimentally tested. When such a prediction is falsified the theory is rejected and a new hypothesis is required
  • identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
  • identification papers — documents that serve to establish someone's identity
  • identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
  • in-complete dominance — the appearance in a heterozygote of a trait that is intermediate between either of the trait's homozygous phenotypes.
  • indicated horse-power — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
  • induction loop system — a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid
  • industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
  • isopropylideneacetone — mesityl oxide.
  • joseph-marie jacquard — (person)   /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
  • keep one's voice down — If someone tells you to keep your voice down, they are asking you to speak more quietly.
  • madagascar periwinkle — a plant, Catharanthus roseus (or Vinca rosea), cultivated for its glossy foliage and pink or white flowers.
  • magneto-optical drive — magneto-optical disk
  • magnetoplasmadynamics — magnetohydrodynamics.
  • make a policy paid up — If you make a policy paid up, you stop making premium payments into a life policy but still leave the coverage in place.
  • medical jurisprudence — forensic medicine.
  • metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
  • metropolitan district — any of the districts making up the metropolitan counties of England: since 1986 they have functioned as unitary authorities, forming the sole principal tier of local government. Each metropolitan district has an elected council responsible for education, social services, etc
  • modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
  • mother-of-pearl cloud — nacreous cloud.
  • mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
  • mucopolysaccharidosis — Any of a group of metabolic disorders caused by the absence or malfunction of lysosomal enzymes needed to break down glycosaminoglycans.
  • multi-ringed compound — A multi-ringed compound is a compound which has 70 or more carbon atoms, often a residual compound.
  • national public radio — a nationwide network of nonprofit radio stations supported in part by U.S. government funds distributed by the Corporation for Public Broadcasting, often affiliated with a public television station or educational institution. Abbreviation: NPR.
  • near-death experience — A near-death experience is a strange experience that some people who have nearly died say they had when they were unconscious.
  • non-repeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
  • occupational guidance — advice and guidance relating to employment issues and career choices
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