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17-letter words containing a, d, i, t, o

  • 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.
  • 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
  • put in a word for — to make favourable mention of (someone); recommend
  • 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
  • radial keratotomy — a surgical technique for correcting nearsightedness by making a series of spokelike incisions in the cornea to change its shape and focusing properties.
  • radiation pattern — the graphic representation of the strength and direction of electromagnetic radiation in the vicinity of a transmitting aerial
  • radiation therapy — x-rays used as treatment
  • radio in the loop — Wireless Local Loop
  • radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
  • 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.
  • radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
  • rail detector car — a car equipped with special instruments and used to locate defects in rails.
  • rapid prototyping — (programming)   The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
  • rat-tailed maggot — the aquatic larva of any of several syrphid flies of the genus Eristalis, that breathes through a long, thin tube at the posterior end of its body.
  • 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.
  • read-write memory — a type of computer memory that you can write to as well as read from
  • 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
  • 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.
  • restraining order — a judicial order to forbid a particular act until a decision is reached on an application for an injunction.
  • retarded ignition — late ignition, which may cause the engine to under-perform
  • 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.
  • rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
  • rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
  • road construction — the building of roads
  • samurai tradition — the body of customs, thought, practices, etc belonging to the samurai warrior caste of Japan
  • 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.
  • santa rosa island — an island off the coast of California, in the Santa Barbara (Channel Islands) of California. 17 miles (27 km) long.
  • saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
  • 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.
  • second lieutenant — an Army, Air Force, or Marine officer of the lowest commissioned rank. Compare ensign (def 4).
  • second-generation — being the second generation of a family to be born in a particular country: the oldest son of second-generation Americans.
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
  • self-condemnation — the act of condemning.
  • self-dissociation — an act or instance of dissociating.
  • semidetached mode — (programming)   A term used by COCOMO to describe a project development somewhere between organic and embedded. The team members have a mixture of experienced and inexperienced personnel. The software to be developed has some characteristics of both organic and embedded modes. Semidetached software can be as large as 300K DSIs.
  • semisophisticated — somewhat sophisticated.
  • shouting distance — hailing distance.
  • shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
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