15-letter words containing r, u, g, o
- 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.
- great south bay — an Atlantic Ocean inlet, between the S shore of Long Island and Fire Island and other barrier islands. 45 miles (72 km) long.
- great synagogue — (according to Jewish tradition) a council of 120 members, established by Ezra, that directed the Jews chiefly in religious matters, c450–c200 b.c., and made significant contributions to the Jewish liturgy and Bible.
- greater omentum — the peritoneal fold attached to the stomach and the colon and hanging over the small intestine.
- green mountains — a mountain range in E North America, extending from Canada through Vermont into W Massachusetts: part of the Appalachian system. Highest peak: Mount Mansfield, 1338 m (4393 ft)
- ground engineer — an engineer qualified and licensed to certify the airworthiness of an aircraft
- ground landlord — a landlord who receives ground rent.
- ground meristem — an area of primary meristematic tissue, emerging from and immediately behind the apical meristem, that develops into the pith and the cortex.
- ground observer — a person stationed in a position on the ground to watch, follow, and report on flights of aircraft, especially of enemy aircraft.
- ground squirrel — any of several terrestrial rodents of the squirrel family, as of the genus Citellus and chipmunks of the genus Tamias. circ;circ;
- ground-breaking — the act or ceremony of breaking ground for a new construction project.
- groundbreakings — Plural form of groundbreaking.
- groundwood pulp — wood pulp consisting of groundwood that has not been cooked or chemically treated, used for making newsprint and other poorer grades of paper.
- 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 separator — (character) (GS) ASCII character 29.
- group therapist — a psychotherapist who conducts group therapy
- groutlock brick — a brick chamfered on its inner angles to allow space for vertical and horizontal reinforcing rods sealed in grout.
- growth industry — an industry that is experiencing rapid growth
- guaranteed bond — a bond issued by a corporation in which payment of the principal, interest, or both is guaranteed by another corporation.
- guard of honour — A guard of honour is an official parade of troops, usually to celebrate or honour a special occasion, such as the visit of a head of state.
- guerrilla group — an organized group of guerrillas
- guest of honour — If you say that someone is the guest of honour at a dinner or other social occasion, you mean that they are the most important guest.
- gulf of argolis — an inlet of the Aegean Sea, in the E Peloponnese
- gulf of corinth — an inlet of the Ionian Sea between the Peloponnese and central Greece
- gulf of taranto — an inlet of the Ionian Sea, in Apulia in SE Italy
- gunnery officer — an officer in charge of heavy guns
- guru meditation — (operating system) The Amiga equivalent of Unix's panic (sometimes just called a "guru" or "guru event"). When the system crashes, a cryptic message of the form "GURU MEDITATION #XXXXXXXX.YYYYYYYY" may appear, indicating what the problem was. An Amiga guru can figure things out from the numbers. In the earliest days of the Amiga, there was a device called a "Joyboard" which was basically a plastic board built onto a joystick-like device; it was sold with a skiing game cartridge for the Atari game machine. It is said that whenever the prototype OS crashed, the system programmer responsible would concentrate on a solution while sitting cross-legged, balanced on a Joyboard, resembling a meditating guru. Sadly, the joke was removed in AmigaOS 2.04. The Jargon File claimed that a guru event had to be followed by a Vulcan nerve pinch but, according to a correspondent, a mouse click was enough to start a reboot.
- haemoglobinuria — the presence of haemoglobin in the urine
- haemoglobinuric — relating to the presence of haemoglobin in the urine
- hedge your bets — play it safe, lessen a risk
- heterogeneously — different in kind; unlike; incongruous.
- high resolution — a great amount of detail visible in a photographic, TV, or video image
- high-resolution — having or capable of producing an image characterized by fine detail: high-resolution photography; high-resolution lens.
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- housing project — a publicly built and operated housing development, usually intended for low- or moderate-income tenants, senior citizens, etc.
- hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
- 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.
- huntingdonshire — a former county in E England, now part of Cambridgeshire.
- huntington park — a city in SW California, near Los Angeles.
- hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hypercoagulable — related to excessive coagulation of the blood or blood clots
- ignition source — An ignition source is a process or event which can cause a fire or explosion.
- in the long run — to go quickly by moving the legs more rapidly than at a walk and in such a manner that for an instant in each step all or both feet are off the ground.
- interior-sprung — (esp of a mattress) containing springs
- into the ground — beyond what is requisite or can be endured; to exhaustion