16-letter words containing f, i, r, l
- friction welding — a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
- friedrich engels — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1820–95, German socialist in England: collaborated with Karl Marx in systematizing Marxism.
- friedrich wohler — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1800–82, German chemist.
- friendly islands — Tonga
- friendly society — law: mutual group providing benefits
- frigate mackerel — a small, blue-green, black-striped fish, Auxis thazard, abundant in tropical seas, having dark, oily flesh that is sometimes used as food.
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- frontier orbital — the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties
- full to the brim — If something, especially a container, is filled to the brim or full to the brim with something, it is filled right up to the top.
- functional group — a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
- functional water — water containing additives that provide extra nutritional value
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- furniture polish — product: shines wood
- garfield heights — a city in NE Ohio, near Cleveland.
- gender-profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- go for your life — an expression of encouragement
- go off the rails — If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- gravity platform — (in the oil industry) a drilling platform that rests directly on the sea bed and is kept in position by its own weight; it is usually made of reinforced concrete
- grim file reaper — (storage, operating system) (GFR) An ITS and LISP Machine utility to remove files according to some program-automated or semi-automatic manual procedure, especially one designed to reclaim mass storage space or reduce name-space clutter (the original GFR actually moved files to tape). See also prowler, reaper. Compare GC, which discards only provably worthless stuff.
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- harvest festival — religious celebration of crops gathered
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- hold a brief for — to argue for; champion
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- hourglass figure — the shape of a woman who is well-proportioned and has a small waist
- huckleberry finn — (The Adventures of Huckleberry Finn) a novel (1884) by Mark Twain.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- hydrogen sulfide — a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- imperfect flower — a unisexual flower with only stamens or only pistils
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperfectibility — The state or quality of being imperfectible.
- infant mortality — death during infancy
- infernal machine — a concealed or disguised explosive device intended to destroy life or property.
- inflationary gap — the excess of total spending in an economy over the value, at current prices, of the output it can produce
- insufferableness — The state of being insufferable.
- interfacial area — The interfacial area is the total area of contact between two liquids in a liquid-liquid operation.
- intestinal flora — microorganisms that normally inhabit the lumen of the intestinal tract
- irrefragableness — The quality or degree of being irrefragable.
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- isoplastic graft — syngraft.
- ivyleaf geranium — a geranium plant, pelargonium peltatum, with trailing leaves and white, pink, red, or violet flowers
- junior flyweight — a boxer weighing up to 108 pounds (48.6 kg), between minimumweight and flyweight.
- juvenile officer — a police officer concerned with juvenile delinquents.
- kingdom of arles — a kingdom in SE France which had dissolved by 1378: known as the Kingdom of Burgundy until about 1200
- kirchhoff's laws — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- knights of labor — a secret workingmen's organization formed in 1869 to defend the interests of labor.
- larger than life — If you say that someone or something is larger than life, you mean that they appear or behave in a way that seems more exaggerated or important than usual.