17-letter words containing a, f, l, u
- make the dust fly — earth or other matter in fine, dry particles.
- manganese sulfate — a pink, water-soluble, usually tetrahydrate salt, MnSO 4 ⋅4H 2 O, used chiefly in fertilizers, paints, and varnishes.
- manufacturability — The condition of being manufacturable.
- metallofullerenes — Plural form of metallofullerene.
- molecular formula — a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- natural frequency — the frequency at which a system vibrates when set in free vibration
- newfoundland time — a form of civil time observed on the island of Newfoundland, one and one-half hours later than Eastern time and a half hour later than Atlantic time.
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- out of all reason — unreasonable
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
- plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
- political refugee — a person who has fled from a homeland because of political persecution.
- potassium sulfate — a crystalline, water-soluble solid, K 2 SO 4 , used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.
- pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- prelingually deaf — deaf from birth or having acquired deafness before learning to speak
- procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
- professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
- programming fluid — (jargon) (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- qualified success — If you describe something as a qualified success, you mean that it is only partly successful.
- rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
- refuse a proposal — If an insurer refuses a proposal, it does not agree to underwrite a risk proposed by a potential client.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
- republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- russian wolfhound — borzoi.
- san andreas fault — an active strike-slip fault in W United States, extending from San Francisco to S California and forming the on-land portion of the western margin of the North American Plate.
- self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-renunciation — renunciation of one's own will, interests, etc.
- separating funnel — a large funnel having a tap in its output tube, used to separate immiscible liquids
- sexual preference — Someone's sexual preference is the same as their sexual orientation.
- silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
- sinus of valsalva — any of the pouches of the aorta and the pulmonary artery opposite the flaps of the semilunar valves into which blood returning to the heart flows, closing the valves.
- south farmingdale — a town on central Long Island, in SE New York.
- spanish influenza — the pandemic respiratory infection that spread throughout the world during 1917–18.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- star-of-jerusalem — meadow salsify.
- statue of liberty — a large copper statue, on Liberty Island, in New York harbor, depicting a woman holding a burning torch: designed by F. A. Bartholdi and presented to the U.S. by France; unveiled 1886.