17-letter words containing r, e, g, u, l
- electrometallurgy — metallurgy involving the use of electric-arc furnaces, electrolysis, and other electrical operations
- enrolment figures — the numbers of people enrolling at an institution, on a course, etc
- equatorial guinea — a republic of W Africa, consisting of Río Muni on the mainland and the island of Bioko in the Gulf of Guinea, with four smaller islands: ceded by Portugal to Spain in 1778; gained independence in 1968. Official languages: Spanish and French. Religion: Roman Catholic majority. Currency: franc. Capital: Malabo. Pop: 704 000 (2013 est). Area: 28 049 sq km (10 830 sq miles)
- flight instrument — any instrument used to indicate the altitude, attitude, airspeed, drift, or direction of an aircraft.
- floating currency — a currency that is free to fluctuate against other currencies in accordance with market forces
- flowering currant — an ornamental shrub, Ribes sanguineum, growing to 2 to 3 metres (6 to 9ft) in height, with red, crimson, yellow, or white flowers: family Saxifragaceae
- fluorescent light — a fluorescent lamp in domestic or commercial use; a fluorescent strip
- folie de grandeur — a delusion of grandeur; megalomania.
- four-star general — high-ranking military officer
- frequency polygon — a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length.
- full linear group — the group of all nonsingular linear transformations mapping a finite-dimensional vector space into itself.
- gause's principle — the principle that similar species cannot coexist for long in the same ecological niche
- general insurance — insurance (such as house insurance and car insurance) that does not insure someone's life
- geological survey — U.S. Government. a division of the Department of the Interior, created in 1879, that studies the nation's water and mineral resources, makes topographic surveys, and classifies and leases public lands.
- globus hystericus — the sensation of having a lump in the throat or difficulty in swallowing for which no medical cause can be found.
- grapefruit league — a series of training games played by major-league teams before the opening of the season (so named because they take place in the citrus-growing South, as in Florida).
- graphic equalizer — an equalizer in an audio system that is controlled by sliders that show graphically and correct the frequency response within the preset frequency range.
- great namaqualand — an arid coastal region in the S part of Namibia, extending into the Cape of Good Hope province of the Republic of South Africa, divided by the Orange River into two regions, one in Namibia (Great Namaqualand) the other in South Africa (Little Namaqualand) inhabited by the Nama.
- green june beetle — a large, greenish scarab beetle, Cotinis nitida, of the southern U.S.
- greenland current — the ocean current flowing clockwise around S Greenland.
- greenland halibut — a flatfish, Reinhardtius hippoglossoides, similar and related to the halibut
- gridiron pendulum — a clock pendulum having, as part of its shaft, an arrangement of brass and steel rods having different coefficients of expansion, such that the pendulum has the same length at any temperature.
- gross value added — the aggregate of values added throughout an economy, which represents that economy's gross domestic product
- ground angle shot — a photograph or film shot in which the lens is near the ground, usually pointing up somewhat
- guardhouse lawyer — a person in military service, especially an inmate of a guardhouse or brig, who is or claims to be an authority on military law, regulations, and soldiers' rights.
- guardian ad litem — a person appointed by a court as guardian of an infant or other person to act on his or her behalf in a particular action or proceeding.
- guerrilla theater — the presentation of short propaganda plays or skits, usually on sociopolitical themes, as war or repression, often on the streets or in other nontheater locations.
- guerrilla warfare — the use of hit-and-run tactics by small, mobile groups of irregular forces operating in territory controlled by a hostile, regular force.
- guglielmo marconi — Guglielmo [goo-lyel-maw] /guˈlyɛl mɔ/ (Show IPA), Marchese, 1874–1937, Italian electrical engineer and inventor, especially in the field of wireless telegraphy: Nobel Prize in physics 1909.
- guinea-hen flower — checkered lily.
- gulf war syndrome — a group of symptoms occurring in some Gulf War veterans, most commonly including headache and memory loss, muscle pain, skin disorders, fatigue, sleep disturbances, and gastrointestinal and respiratory ailments, possibly caused by exposure to chemical weapons, vaccines, infectious diseases, or other factors.
- henry of portugal — ("the Navigator") 1394–1460, prince of Portugal: sponsor of geographic explorations.
- hold one's ground — the solid surface of the earth; firm or dry land: to fall to the ground.
- huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
- hydrogen fluoride — a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
- hydrogen sulphide — Chemistry
- illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
- impossible figure — a picture of an object that at first sight looks three-dimensional but cannot be a two-dimensional projection of a real three-dimensional object, for example a picture of a staircase that re-enters itself while appearing to ascend continuously
- in double figures — An amount or number that is in single figures is between zero and nine. An amount or number that is in double figures is between ten and ninety-nine. You can also say, for example, that an amount or number is in three figures when it is between one hundred and nine hundred and ninety-nine.
- industrial design — the art that deals with the design problems of manufactured objects, including problems of designing such objects with consideration for available materials and means of production, of designing packages, bottles, etc., for manufactured goods, and of graphic design for manufactured objects, packages, etc.
- inertial guidance — a guidance system for an aerospace vehicle, in which self-contained devices determine the vehicle's course on the basis of the directions and magnitudes of the accelerations it undergoes in flight.
- instrument flying — the control and navigation of an aircraft by reference to its gauges, with no or only limited visual reference outside the cockpit.
- integral calculus — the branch of mathematics that deals with integrals, especially the methods of ascertaining indefinite integrals and applying them to the solution of differential equations and the determining of areas, volumes, and lengths.
- integral equation — an equation in which an integral involving a dependent variable appears.
- integral function — an entire function.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- kerguelen islands — an archipelago in the S Indian Ocean: a possession of France. 2394 sq. mi. (6200 sq. km).
- label edge router — (networking) (LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
- lago de nicaragua — Spanish name of Lake Nicaragua.
- langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.