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17-letter words containing t, a, u, g

  • optical computing — (hardware)   (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
  • organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
  • osculating circle — circle of curvature.
  • outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
  • paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
  • perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
  • permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
  • photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
  • picture messaging — Picture messaging is the sending of photographs or pictures from one mobile phone to another.
  • pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
  • plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
  • political refugee — a person who has fled from a homeland because of political persecution.
  • popular etymology — folk etymology.
  • portuguese guinea — former name of Guinea-Bissau.
  • postage due stamp — a stamp that is affixed to mail at a post office when prepayment of postage is insufficient, to indicate the amount that must be collected from the addressee.
  • postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
  • powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering.
  • pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
  • prerogative court — a former ecclesiastical court in England and Ireland for the trial of certain testamentary cases.
  • pressure gradient — the change of pressure per unit distance
  • putative marriage — a marriage contracted in violation of an impediment, but in good faith on the part of one or both of the contracting persons.
  • quantum computing — quantum computer
  • quasi-legislative — having the function of making laws: a legislative body.
  • 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
  • regulated tenancy — (in Britain) the letting of a dwelling by a nonresident private landlord, usually at a registered fair rent, from which the landlord cannot evict the tenant without a possession order from a court
  • request programme — a programme on the radio where listeners can request certain songs or tracks
  • ring-tailed lemur — a Madagascan prosimian primate, Lemur catta, with a long black and white ringed tail
  • rough puff pastry — a rich flaky pastry made with butter and used for pie-crusts, flans, etc
  • rub the wrong way — to subject the surface of (a thing or person) to pressure and friction, as in cleaning, smoothing, polishing, coating, massaging, or soothing: to rub a table top with wax polish; to rub the entire back area.
  • sanctions-busting — the deliberate disregarding of sanctions that are in force against a state, organization, etc
  • 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.
  • sawed-off shotgun — rifle with a short barrel
  • saxe-coburg-gotha — a member of the present British royal family, from the establishment of the house in 1901 until 1917 when the family name was changed to Windsor.
  • self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
  • separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
  • septicemic plague — an especially dangerous form of plague in which the infecting organisms invade the bloodstream. Compare plague (def 2).
  • sexual generation — the gametophyte generation in the alternation of generations in plants that produces a zygote from male and female gametes.
  • shouting distance — hailing distance.
  • sleeping quarters — the rooms where people sleep in a large building or complex or on a boat etc
  • social accounting — the analysis of the economy by sectors leading to the calculation and publication of economic statistics, such as gross national product and national income
  • sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
  • south farmingdale — a town on central Long Island, in SE New York.
  • southern triangle — the constellation Triangulum Australe.
  • spiritual healing — faith healing
  • squatter's rights — the rights to a property claimed by someone who has occupied it in the owner's absence
  • squeegee merchant — a person who attempts to make money by squeegeeing the windscreens of cars that are stopped at traffic lights and then asking for payment
  • stand your ground — relating to or denoting a legal principle or law that eliminates the duty to retreat by allowing, as a first response, self-defense by deadly force: We’re proud to represent Florida, the first stand your ground state.
  • state legislature — laws of a country
  • statutory meeting — company shareholders' discussion
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