17-letter words containing u, n, f, l
- low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
- luminous efficacy — the quotient of the luminous flux of a radiation and its corresponding radiant flux
- macfarlane burnet — Sir (Frank) Macfarlane [muh k-fahr-luh n] /məkˈfɑr lən/ (Show IPA), 1899–1985, Australian physician: Nobel Prize in Physiology 1960.
- magnesium sulfate — a white, water-soluble salt, MgSO 4 , used chiefly in medicine and in the processing of leather and textiles.
- 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.
- 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.
- not the full quid — mentally subnormal
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
- out in left field — Baseball. the area of the outfield to the left of center field, as viewed from home plate. the position of the player covering this area.
- out of all reason — unreasonable
- pincushion flower — scabious2 (def 1).
- 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.
- plumbing fixtures — things such as pipes, sinks, toilets that are fixed in position in a building
- 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
- 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.
- 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.
- reflexive pronoun — A reflexive pronoun is a pronoun such as 'myself' which refers back to the subject of a sentence or clause. For example, in the sentence 'He made himself a cup of tea', the reflexive pronoun 'himself' refers back to 'he'.
- refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
- 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 yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- 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-constituting — to compose; form: mortar constituted of lime and sand.
- self-introduction — the act of introducing or the state of being introduced.
- self-perpetuating — continuing oneself in office, rank, etc., beyond the normal limit.
- self-priming pump — A self-priming pump is a pump that will clear its passages of air and start pumping.
- 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.
- self-reproduction — the act or process of reproducing.
- self-rising flour — Self-rising flour is flour that makes cakes rise when they are cooked because it has chemicals added to it.
- 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