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15-letter words containing f, e, l, m

  • flame hardening — the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
  • flame retardant — a compound used in cloth and plastic material to raise the ignition point of the material, thus making it resistant to fire.
  • flame-arc light — an arc light that uses flame carbons to colour the arc
  • flame-retardant — Flame-retardant is the same as fire-retardant.
  • 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.
  • flannel-mouthed — speaking thickly, as if one's mouth were full of flannel
  • flavoursomeness — Alt form flavorsomeness.
  • 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)
  • flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.
  • fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter.
  • fluorochemicals — Plural form of fluorochemical.
  • food supplement — a substance designed to make up for a deficiency in one's diet
  • formal argument — (programming)   (Or "parameter") A name in a function or subroutine definition that is replaced by, or bound to, the corresponding actual argument when the function or subroutine is called. In many languages formal arguments behave like local variables which get initialised on entry. See: argument.
  • formal language — correct or polite words and phrases
  • formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
  • french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
  • french mulberry — a shrub, Callicarpa americana, of the verbena family, of the south-central U.S. and the West Indies, having violet-colored fruit and bluish flowers.
  • 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
  • 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.
  • full employment — all of workforce is employed
  • full-cream milk — whole unskimmed milk
  • full-moon maple — Japanese maple.
  • fundamental law — the organic law of a state, especially its constitution.
  • fundamentalists — Plural form of fundamentalist.
  • fundamentalness — The state or condition of being fundamental; essential importance.
  • 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.
  • go up in flames — be burned
  • haemoflagellate — a flagellate protozoan, such as a trypanosome, that is parasitic in the blood
  • half-remembered — (of a memory, idea, etc) partially remembered or recalled
  • heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
  • hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
  • infinitesimally — indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
  • inflammableness — The quality of being inflammable.
  • intake manifold — a collection of tubes through which the fuel-air mixture flows from the carburetor or fuel injector to the intake valves of the cylinders of an internal-combustion engine.
  • irreformability — the state or condition of being irreformable
  • lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
  • land of promise — Promised Land.
  • law of the mean — the theorem that for a function continuous on a closed interval and differentiable on the corresponding open interval, there is a point in the interval such that the difference in functional values at the endpoints is equal to the derivative evaluated at the particular point and multiplied by the difference in the endpoints.
  • law-enforcement — of police, anti-crime
  • leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
  • leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
  • legion of merit — a decoration ranking below the Silver Star and above the Distinguished Flying Cross, awarded to U.S. and foreign military personnel for exceptionally meritorious conduct in the performance of outstanding services to the U.S.
  • life membership — the fact or condition of being a life member
  • linear manifold — subspace (def 2b).
  • lord of misrule — (in England) a person formerly chosen to direct the Christmas revels and sports.
  • maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
  • mail order firm — a company that sells goods by mail order
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