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15-letter words containing f, e, r, l, i, n

  • first principle — any axiom, law, or abstraction assumed and regarded as representing the highest possible degree of generalization.
  • flame hardening — the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
  • flamingo-flower — a central American plant, Anthurium scherzeranum, of the arum family, having a red, coiled spadix and a bright red, shiny, heart-shaped spathe, grown as an ornamental.
  • flapping router — (networking)   A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
  • fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
  • fleming's rules — two rules used as mnemonics for the relationship between the directions of current flow, motion, and magnetic field in electromagnetic induction. The hand is held with the thumb, first, and second fingers at right angles, respectively indicating the directions of motion, field, and electric current. The left hand is used for electric motors and the right hand for dynamos
  • flemish brabant — a province of central Belgium, formed in 1995 from the N part of Brabant province: densely populated and intensively farmed, with large industrial centres. Pop: 1 031 904 (2004 est). Area: 2106 sq km (813 sq miles)
  • flight engineer — a member of an aircraft crew responsible for the mechanical systems, fueling, and servicing of the craft.
  • flight sergeant — a noncommissioned officer in the Royal Air Force junior in rank to a master aircrew
  • flinders island — an island off the coast of NE Tasmania: the largest of the Furneaux Islands. Pop: 850 (2004 est). Area: 2077 sq km (802 sq miles)
  • flirtatiousness — The quality of being flirtatious.
  • floating charge — an unsecured charge on the assets of an enterprise that allows such assets to be used commercially until the enterprise ceases to operate or the creditor intervenes to demand collateral
  • floating screed — Building Trades. screed (def 3).
  • flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
  • florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
  • floriferousness — Quality of being floriferous, or bearing many flowers.
  • flowerhorn fish — a brightly coloured cichlid fish with a large protuberance on the head
  • flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.
  • flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
  • flowering shrub — any shrub that produces flowers
  • flowers of zinc — a white or yellowish-white, amorphous, odorless, water-insoluble powder, ZnO, used chiefly as a paint pigment, in cosmetics, dental cements, matches, white printing inks, and opaque glass, and in medicine in the treatment of skin conditions.
  • fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
  • fluoroquinolone — Any of a class of therapeutic antibiotics that are active against a range of bacteria associated with human and animal diseases. Their use in livestock has sparked concerns about the spread of bacteria resistant to them in humans.
  • flying buttress — a segmental arch transmitting an outward and downward thrust to a solid buttress that through its inertia transforms the thrust into a vertical one.
  • flying fortress — a heavy bomber, the B-17, with four radial piston engines, widely used over Europe and the Mediterranean by the U.S. Air Force in World War II.
  • flying squirrel — any of various nocturnal tree squirrels, as Glaucomys volans, of the eastern U.S., having folds of skin connecting the fore and hind legs, permitting long, gliding leaps.
  • formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
  • fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
  • fractional note — a banknote in a denomination smaller than the standard unit of currency
  • franklin pierce — Franklin, 1804–69, 14th president of the U.S. 1853–57.
  • franklin square — a town on W Long Island, in SE New York.
  • fraternal twins — one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova.
  • free throw line — foul line (def 2).
  • french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
  • fresnel biprism — biprism.
  • fresnel mirrors — two plane mirrors so linked that a beam of light falling on them is reflected in slightly different directions, thus producing interference fringes in the area where this reflected light overlaps
  • friar's lantern — ignis fatuus (def 1).
  • friedmann model — any model of the universe deduced from a homogeneous, isotropic solution of Einstein's field equations without a cosmological constant. Such models form the mathematical basis for many modern cosmologies and provide for expansion or contraction of the universe.
  • fringe festival — an unofficial, often unconventional, arts festival that is associated with another, larger festival
  • full outer join — outer join
  • funeral oration — a formal speech delivered at a funeral
  • funeral service — ceremony at a burial or cremation
  • gale-force wind — a wind of force seven to ten on the Beaufort scale or from 45 to 90 kilometres per hour
  • general officer — an officer ranking above colonel.
  • geranium family — the plant family Geraniaceae, typified by herbaceous plants or small shrubs having lobed leaves, showy flowers, and slender, beak-shaped fruit, and including the crane's-bills, stork's-bills, and cultivated geraniums of the genus Pelargonium.
  • gesneria family — the plant family Gesneriaceae, characterized by herbaceous plants having a basal rosette of usually toothed leaves, tubular two-lipped flowers, and fruit in the form of a berry or capsule, and including the African violet, gloxinia, and streptocarpus.
  • giant sunflower — a composite plant, Helianthus giganteus, of eastern North America, growing nearly 12 feet (4 meters) high and having very large yellow flower heads.
  • goal difference — the number of goals scored by a team minus the number of goals it has conceded
  • golden starfish — an award given to a bathing beach that meets EU standards of cleanliness
  • grade inflation — the awarding of higher grades than students deserve either to maintain a school's academic reputation or as a result of diminished teacher expectations.
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