17-letter words containing d, i, c, o, t
- police department — A police department is an official organization which is responsible for making sure that people obey the law.
- positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
- post-independence — Also, independency. the state or quality of being independent.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- 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
- primary education — junior, elementary schooling
- private education — education provided by a private individual or organization, rather than by the state or a public body
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- 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 string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
- 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
- protected species — a species of animal or plant which it is forbidden by law to harm or destroy
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- 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-humanistic — a person having a strong interest in or concern for human welfare, values, and dignity.
- pseudo-moralistic — a person who teaches or inculcates morality.
- pseudo-scientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
- 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
- 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.
- 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.
- recreation ground — an open space for public recreation, esp one in a town, with swings and slides, etc, for children
- recreational drug — drug taken for pleasure
- redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
- reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- registered office — official business address
- registered stocks — stocks officially registered to the name of the owner
- reproductive cell — gamete.
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- road construction — the building of roads
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- sandro botticelli — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
- scientific method — a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
- sea-island cotton — a long-staple cotton, Gossypium barbadense, raised originally in the Sea Islands and now grown chiefly in the West Indies.
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- second generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.