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21-letter words containing f, a, r

  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • saint-maur-des-fosses — a town in N central France, near Paris, on the Marne River.
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
  • school of hard knocks — the experience gained from living, especially from disappointment and hard work, regarded as a means of education: The only school he ever attended was the school of hard knocks.
  • self-characterization — portrayal; description: the actor's characterization of a politician.
  • semantic differential — a technique for measuring the connotative meaning of concepts by having an individual rate each concept on a series of graduated scales, each scale defined by a pair of polar adjectives, as good–bad or strong–weak.
  • sieve of eratosthenes — a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
  • silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
  • sing a different tune — a succession of musical sounds forming an air or melody, with or without the harmony accompanying it.
  • single parent benefit — a form of government funded financial assistance paid to single parents
  • snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
  • social stratification — the act or an instance of stratifying.
  • south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
  • sovereign wealth fund — an investment fund created using the financial assets of a national government
  • split-finger fastball — a type of fastball that sinks abruptly as it nears home plate, thrown with the grip used for a forkball
  • split-screen facility — a facility allowing different scenes to be shown on screen at the same time
  • staffordshire terrier — former name of American Staffordshire terrier.
  • stare one in the face — to be glaringly obvious or imminent
  • stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
  • statistical inference — the theory, methods, and practice of forming judgments about the parameters of a population, usually on the basis of random sampling
  • steer clear of sb/sth — If you steer clear of someone or something, you deliberately avoid them.
  • stem-and-leaf diagram — a histogram in which the data points falling within each class interval are listed in order
  • step-down transformer — a device that transfers an alternating current from one circuit to one or more other circuits with a decrease of voltage
  • sun protection factor — SPF.
  • supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
  • surface acoustic wave — an acoustic wave generated on the surface of a piezoelectric substrate: used as a filter in electronic circuits
  • surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
  • surface of projection — the surface upon which an image or a set of points is projected.
  • surface of revolution — a surface formed by revolving a plane curve about a given line.
  • surface-to-underwater — (of a missile, message, etc.) traveling from the surface of the earth to a target underwater.
  • take one's finger out — stop delaying or procrastinating
  • teacher certification — official qualifications for educators
  • tetrabromofluorescein — eosin (def 1).
  • the acting profession — actors considered as a group
  • the apple of your eye — If you say that someone is the apple of your eye, you mean that they are very important to you and you are extremely fond of them.
  • the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
  • the battle of britain — from August to October 1940, the prolonged bombing of S England by the German Luftwaffe and the successful resistance by the RAF Fighter Command, which put an end to the German plan of invading Britain
  • the birth of a nation — an American film (1915), directed by D. W. Griffith.
  • the break of day/dawn — The break of day or the break of dawn is the time when it begins to grow light after the night.
  • the cream of the crop — You can refer to the best people or things of a particular kind as the cream of the crop.
  • the face of the earth — You can use the expression 'on the face of the earth' to mean 'in the whole world', when you are emphasizing a statement that you are making or making a very exaggerated statement.
  • the fall of the cards — the chance distribution of cards in a given deal
  • the fast track to sth — the quickest or most direct route or system
  • the flickertail state — a name for the state of North Dakota
  • the letter of the law — If you say that someone keeps to the letter of the law , you mean that they act according to what is actually written in the law, rather than according to the general principles of it, especially when you disapprove of this.
  • the order of the bath — an order of knighthood founded by George I in 1725. It consists of the sovereign, the Great Master, and three classes of member: Knight (or Dame) Grand Cross, Knight (or Dame) Commander, and Companion
  • the rock of gibraltar — a limestone promontory at the tip of S Spain
  • the san andreas fault — a geological fault in California
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