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15-letter words containing o, r, g, a, p, h

  • english sparrow — a small Eurasian weaverbird, Passer domesticus, now established in North America and Australia. It has a brown streaked plumage with grey underparts
  • ergatandromorph — an ant with the characteristics of both worker and male
  • 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.
  • glossographical — relating to glossography
  • golden samphire — a Eurasian coastal plant, Inula crithmoides, with fleshy leaves and yellow flower heads: family Asteraceae (composites)
  • gramophonically — in a gramophonic manner
  • grandparenthood — The state of being a grandparent.
  • grapes of wrath — a novel (1939) by John Steinbeck.
  • 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.
  • group therapist — a psychotherapist who conducts group therapy
  • 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.
  • hardhead sponge — any of several commercial sponges, as Spongia officinalis dura, of the West Indies and Central America, having a harsh, fibrous, resilient skeleton.
  • 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).
  • 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.
  • human geography — the study of the interaction between human beings and their environment in particular places and across spatial areas.
  • humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
  • hunting leopard — the cheetah.
  • huntington park — a city in SW California, near Los Angeles.
  • hyetometrograph — an instrument used to record rainfall
  • hygroscopically — In a hygroscopic way.
  • hypercoagulable — related to excessive coagulation of the blood or blood clots
  • hypergalactosis — an abnormally large secretion of milk.
  • hyperpolarizing — Present participle of hyperpolarize.
  • ideographically — an ideogram.
  • lexicographical — the writing, editing, or compiling of dictionaries.
  • low archipelago — a group of French islands in the S Pacific. 332 sq. mi. (860 sq. km).
  • lymphogranuloma — any of certain diseases characterized by granulomatous lesions of lymph nodes.
  • macrophotograph — a photograph taken at very close range
  • microangiopathy — any disease of the small blood vessels.
  • microphotograph — microfilm (def 1).
  • microradiograph — an enlarged version of an image obtained by a form of radiography that reveals minute details
  • microtopography — microrelief.
  • morphologically — the branch of biology dealing with the form and structure of organisms.
  • nasopharyngitis — (medicine) An inflammation of the nasal passages, and of the upper pharynx.
  • neuropathologic — Of or pertaining to neuropathology.
  • nonbiographical — not biographical, not relating to biography or events in a person's life
  • nonphotographic — not involving photographic equipment or techniques
  • organophosphate — Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.
  • overemphasizing — Present participle of overemphasize.
  • paedophile ring — a group of people who take part in illegal sexual activity involving children
  • palaeogeography — the study of geographical features of the geological past
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