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15-letter words containing p, i, r, a, o

  • fusospirochetal — Relating to fusospirochetes.
  • gaming platform — a computer system specially made for playing video games; a console: The new gaming platforms have much better graphics resolution than previous generation consoles.
  • garrison troops — troops who maintain and guard a military base or fortified place
  • geodemographics — the study and grouping of the people in a geographical area according to socioeconomic criteria, esp for market research
  • geostrophically — By means of, or in terms of, geostrophy.
  • gila woodpecker — a dull-colored woodpecker, Melanerpes uropygialis, of the southwestern U.S. and Mexico.
  • glazier's point — a small, pointed piece of sheet metal, for holding a pane of glass in a sash until the putty has hardened.
  • glossographical — relating to glossography
  • golden samphire — a Eurasian coastal plant, Inula crithmoides, with fleshy leaves and yellow flower heads: family Asteraceae (composites)
  • golgi apparatus — an organelle, consisting of layers of flattened sacs, that takes up and processes secretory and synthetic products from the endoplasmic reticulum and then either releases the finished products into various parts of the cell cytoplasm or secretes them to the outside of the cell.
  • golgi-apparatus — an organelle, consisting of layers of flattened sacs, that takes up and processes secretory and synthetic products from the endoplasmic reticulum and then either releases the finished products into various parts of the cell cytoplasm or secretes them to the outside of the cell.
  • grabber pointer — (operating system)   A mouse pointer sprite in the shape of a small hand that closes when a mouse button is clicked, indicating that the object on the screen under the pointer has been selected.
  • 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
  • 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.
  • graphologically — In terms of or by means of graphology.
  • grasshopper pie — a custardlike pie, flavored and colored with green crème de menthe and served in a graham-cracker crust.
  • 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.
  • 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.
  • group therapist — a psychotherapist who conducts group therapy
  • guerrilla group — an organized group of guerrillas
  • 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.
  • heart operation — a surgical operation performed on the heart
  • height-to-paper — the standard height of type, measured from the foot to the face, in the U.S. 0.918 of an inch (2.33 cm).
  • hematoporphyria — porphyria.
  • hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
  • hepatocarcinoma — (pathology) cancer of the liver.
  • hermaphroditism — the condition of being a hermaphrodite.
  • herod agrippa i — 10 bc–44 ad, king of Judaea (41–44), grandson of Herod (the Great). A friend of Caligula and Claudius, he imprisoned Saint Peter and executed Saint James
  • historiographer — a historian, especially one appointed to write an official history of a group, period, or institution.
  • historiographic — the body of literature dealing with historical matters; histories collectively.
  • 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.
  • holographically — In a holographic way.
  • homoerotophobia — Homophobia; antipathy towards homosexuals.
  • hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
  • hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
  • hunting leopard — the cheetah.
  • huntington park — a city in SW California, near Los Angeles.
  • hurdle champion — a hurdler who has defeated all others in a competition
  • hydropathically — in a hydropathic manner; in a manner relating to hydropathy
  • hydroxylapatite — Alternative spelling of hydroxyapatite.
  • hygroscopically — In a hygroscopic way.
  • hyper-emotional — pertaining to or involving emotion or the emotions.
  • hyperactivation — (biology) A form of sperm motility associated with active beating of the flagellum.
  • hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
  • hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
  • hyperfastidious — extremely or excessively fastidious
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