17-letter words containing d, i, r, e, c
- orfeo ed euridice — an opera (1762), with music by Christoph Willibald von Gluck.
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
- paradoxical sleep — REM sleep.
- paraperiodic acid — the crystalline compound H5IO6, an oxyacid of iodine
- parathyroidectomy — the excision of a parathyroid gland.
- parted per tierce — tierced.
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- periodic function — a function of a real or complex variable that is periodic.
- periodic sentence — a sentence that, by leaving the completion of its main clause to the end, produces an effect of suspense, as in Unable to join the others at the dance because of my sprained ankle, I went to a movie.
- periodical cicada — seventeen-year locust.
- peripheral device — peripheral
- personal distance — personal space.
- phenylformic acid — benzoic acid.
- pietro da cortona — Pietro da [pye-traw dah] /ˈpyɛ trɔ dɑ/ (Show IPA), (Pietro Berrettini) 1596–1669, Italian painter and architect.
- platinic chloride — chloroplatinic acid.
- pocket dictionary — a small portable dictionary
- polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- police department — A police department is an official organization which is responsible for making sure that people obey the law.
- police procedural — a mystery novel, film, or television drama that deals realistically with police work.
- pre-modifications — an act or instance of modifying.
- predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
- prescription drug — medication available only on doctor's instruction
- presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
- pressurized cabin — the cabin of an aircraft in which the air has been pressurized
- primary education — junior, elementary schooling
- private detective — a detective who is not a member of an official force but is employed by private parties.
- private education — education provided by a private individual or organization, rather than by the state or a public body
- production number — a specialty number or routine, usually performed by the entire cast consisting of musicians, singers, dancers, stars, etc., of a musical comedy, vaudeville show, or the like.
- production system — (programming) A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- propanedioic acid — a colourless crystalline compound occurring in sugar beet. Formula: C3H4O4,CH2(COOH)2
- protected species — a species of animal or plant which it is forbidden by law to harm or destroy
- pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-moralistic — a person who teaches or inculcates morality.
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- quadratic residue — a number x that is relatively prime to a given integer y and for which a number z exists whose square gives the same remainder as x when divided by y.
- quattuordecillion — a cardinal number represented in the U.S. by 1 followed by 45 zeros, and in Great Britain by 1 followed by 84 zeros.
- quick on the draw — having fast reflexes
- radiant emittance — radiant flux emitted per unit area.
- radiative capture — the capture of a particle, as a neutron, by a nucleus, inducing the emission of electromagnetic radiation, as a gamma ray.
- radioactive decay — decay (def 8).
- radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- radioluminescence — luminescence induced by nuclear radiation.
- rail detector car — a car equipped with special instruments and used to locate defects in rails.
- read the riot act — an English statute of 1715 providing that if 12 or more persons assemble unlawfully and riotously, to the disturbance of the public peace, and refuse to disperse upon proclamation they shall be considered guilty of felony.