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15-letter words containing p, a, n, g

  • gramophonically — in a gramophonic manner
  • grampian region — a former local government region in NE Scotland, formed in 1975 from Aberdeenshire, Kincardineshire, and most of Banffshire and Morayshire; replaced in 1996 by the council areas of Aberdeenshire, City of Aberdeen, and Moray
  • grand old party — G.O.P.
  • grandparenthood — The state of being a grandparent.
  • grandstand play — an ostentatious play, as in a sport, overemphasized deliberately to elicit applause from spectators.
  • graph colouring — (application)   A constraint-satisfaction problem often used as a test case in research, which also turns out to be equivalent to certain real-world problems (e.g. register allocation). Given a connected graph and a fixed number of colours, the problem is to assign a colour to each node, subject to the constraint that any two connected nodes cannot be assigned the same colour. This is an example of an NP-complete problem. See also four colour map theorem.
  • graph reduction — A technique invented by Chris Wadsworth where an expression is represented as a directed graph (usually drawn as an inverted tree). Each node represents a function call and its subtrees represent the arguments to that function. Subtrees are replaced by the expansion or value of the expression they represent. This is repeated until the tree has been reduced to a value with no more function calls (a normal form). In contrast to string reduction, graph reduction has the advantage that common subexpressions are represented as pointers to a single instance of the expression which is only reduced once. It is the most commonly used technique for implementing lazy evaluation.
  • graphic granite — a pegmatite that has crystals of gray quartz imbedded in white or pink microcline in such a manner that they resemble cuneiform writing.
  • grappier cement — a by-product of the calcination of hydraulic lime, having similar properties and made from ground, unslaked lumps.
  • graviperception — the perception of gravity by plants
  • grecian profile — a profile distinguished by the absence of the hollow between the upper ridge of the nose and the forehead, thereby forming a straight line.
  • green sandpiper — a species of sandpiper, Tringa ochropus, with a greenish back and wings
  • greenback party — a former political party, organized in 1874, opposed to the retirement or reduction of greenbacks and favoring their increase as the only paper currency.
  • greenfield park — a town in S Quebec, in E Canada, near Montreal.
  • grey propaganda — propaganda that does not identify its source
  • group insurance — life, accident, or health insurance available to a group of persons, as the employees of a company, under a single contract, usually without regard to physical condition or age of the individuals.
  • gynandromorphic — (of an organism) Having male and female characteristics.
  • halting problem — The problem of determining in advance whether a particular program or algorithm will terminate or run forever. The halting problem is the canonical example of a provably unsolvable problem. Obviously any attempt to answer the question by actually executing the algorithm or simulating each step of its execution will only give an answer if the algorithm under consideration does terminate, otherwise the algorithm attempting to answer the question will itself run forever. Some special cases of the halting problem are partially solvable given sufficient resources. For example, if it is possible to record the complete state of the execution of the algorithm at each step and the current state is ever identical to some previous state then the algorithm is in a loop. This might require an arbitrary amount of storage however. Alternatively, if there are at most N possible different states then the algorithm can run for at most N steps without looping. A program analysis called termination analysis attempts to answer this question for limited kinds of input algorithm.
  • hapax legomenon — a word or phrase that appears only once in a manuscript, document, or particular area of literature.
  • hardhead sponge — any of several commercial sponges, as Spongia officinalis dura, of the West Indies and Central America, having a harsh, fibrous, resilient skeleton.
  • haulage company — a firm that transports goods by lorry
  • hawaiian pidgin — an English-based creole widely spoken in Hawaii.
  • holding company — a company that controls other companies through stock ownership but that usually does not engage directly in their productive operations (distinguished from parent company).
  • holding paddock — a paddock in which cattle or sheep are kept temporarily, as before shearing, etc
  • holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
  • hot-dip coating — the process of coating sheets of iron or steel with molten zinc.
  • human geography — the study of the interaction between human beings and their environment in particular places and across spatial areas.
  • human megaphone — the technique of using a crowd of people to repeat a speaker's words in unison
  • hump one's swag — (of a tramp) to carry one's belongings from place to place on one's back
  • hung parliament — a parliament that does not have a party with a working majority
  • hunting leopard — the cheetah.
  • huntington park — a city in SW California, near Los Angeles.
  • hyperpolarizing — Present participle of hyperpolarize.
  • hypomagnesaemia — the condition of having too little magnesium in the blood, particularly in cattle, in which it is also known as lactation tetany
  • hypoventilating — Present participle of hypoventilate.
  • immunopathology — the study of diseases having an immunologic or allergic basis.
  • imperial gallon — a British gallon used in liquid and dry measurement equivalent to 1.2 U.S. gallons, or 4.54 liters.
  • impregnableness — The state of being impregnable; impregnability.
  • in a tight spot — in difficult situation
  • insulating tape — adhesive tape, impregnated with a moisture-repelling substance, used to insulate exposed electrical conductors
  • interiorscaping — The design, installation, and maintenance of interiorscapes.
  • interphalangeal — Between phalanges, as with an interphalangeal joint.
  • interrecord gap — the area or space separating consecutive physical records of data on an external storage medium.
  • ipod generation — members of the generation of adults born after 1970, who are less financially secure than their parents, due to student debt, high house prices, and job insecurity
  • jackass penguin — any of several boldly marked black and white penguins of the genus Spheniscus, especially S. demersus, of southern Africa, with a call resembling a donkey's bray.
  • japanese spurge — a low Japanese plant, Pachysandra terminalis, having evergreen leaves and spikes of white flowers, grown as a ground cover.
  • juvenal plumage — the first plumage of birds, composed of contour feathers, which in certain species follows the naked nestling stage and in other species follows the molt of natal down.
  • king's champion — a hereditary official at British coronations, representing the king (King's Champion) or the queen (Queen's Champion) who is being crowned, and having originally the function of challenging to mortal combat any person disputing the right of the new sovereign to rule.
  • knapping hammer — a hammer used for breaking and shaping stones
  • langres plateau — a calcareous plateau of E France north of Dijon between the Seine and the Saône, reaching over 580 m (1900 ft): forms a watershed between rivers flowing to the Mediterranean and to the English Channel
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