16-letter words containing f, l, e, r
- freshwater pearl — any of the small pearls produced especially by freshwater mussels.
- 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.
- front-end loader — a loader having a shovel or bucket at the end of an articulated arm located at the front of the vehicle.
- 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 court press — Basketball. a tactic of harassing, close-guarding defense in which the team without the ball pressures the opponent man-to-man the entire length of the court in order to disrupt dribbling or passing and force a turnover: Suddenly behind by eighteen points, they went to a full-court press.
- 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.
- full-court press — Basketball. a tactic of harassing, close-guarding defense in which the team without the ball pressures the opponent man-to-man the entire length of the court in order to disrupt dribbling or passing and force a turnover: Suddenly behind by eighteen points, they went to a full-court press.
- functional water — water containing additives that provide extra nutritional value
- fundamental star — one of a number of stars with positions that have been determined accurately and that are used as reference stars for the determination of positions of other celestial objects.
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- funeral expenses — Funeral expenses are the costs of organizing and carrying out a funeral.
- 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.
- general factotum — a person who does all sorts of jobs; general assistant
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- gentleman-farmer — a man whose wealth or income from other sources permits him to farm for pleasure rather than for basic income.
- glory-of-the-sun — a bulbous, Chilean plant, Leucocoryne ixioides, of the amaryllis family, having fragrant, white or blue flowers.
- 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.
- gold-of-pleasure — a yellow-flowered Eurasian plant, Camelina sativa, widespread as a weed, esp in flax fields, and formerly cultivated for its oil-rich seeds: family Brassicaceae (crucifers)
- 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
- head normal form — (theory, reduction) (HNF) A term describing a lambda expression whose top level is either a variable, a data value, a built-in function applied to too few arguments, or a lambda abstraction whose body is not reducible. I.e. the top level is neither a redex nor a lambda abstraction with a reducible body. An expression in HNF may contain redexes in argument postions whereas a normal form may not. Compare Weak Head Normal Form.
- hell for leather — If you say that someone is going hell for leather, you are emphasizing that they are doing something or are moving very quickly and perhaps carelessly.
- hell-for-leather — characterized by reckless determination or breakneck speed: The sheriff led the posse in a hell-for-leather chase.
- 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.
- 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.
- infernal machine — a concealed or disguised explosive device intended to destroy life or property.
- 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)