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21-letter words containing f, r, a, c

  • professional services — (job)   A department of a supplier providing consultancy and programming manpower for the supplier's products.
  • profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
  • psychological warfare — the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.
  • radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
  • range of significance — the set of subjects for which a given predicate is intelligible
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • record of achievement — a statement of the personal and educational development of each pupil
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • reverberatory furnace — See at reverberatory (def 2).
  • road traffic accident — an accident involving vehicles
  • 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.
  • 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.
  • silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
  • 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.
  • split-screen facility — a facility allowing different scenes to be shown on screen at the same time
  • 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.
  • sun protection factor — SPF.
  • 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.
  • teacher certification — official qualifications for educators
  • tetrabromofluorescein — eosin (def 1).
  • the acting profession — actors considered as a group
  • 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 rock of gibraltar — a limestone promontory at the tip of S Spain
  • the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
  • the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
  • the supreme sacrifice — the sacrifice of one's life
  • tide-generating force — the difference between the force of gravity exerted by the moon or the sun on a particle of water in the ocean and that exerted on an equal mass of matter at the centre of the earth. The lunar tide-generating forces are about 2.2 times greater than are the solar ones
  • topgallant forecastle — a partial weather deck on top of a forecastle superstructure; forecastle deck.
  • traffic control tower — an elevated structure for the visual observation and control of the air and ground traffic at an airport
  • tumor necrosis factor — a protein, produced in humans and other animals, that is destructive to cells showing abnormally rapid growth: identical with cachectin. Abbreviation: TNF.
  • uniform resource name — (web)   (URN, previously Uniform/Universal Resource Number) 1. Any URI which is not a URL. 2. A particular scheme which is currently (1991-4) under development by the IETF, which should provide for the resolution using Internet protocols of names which have a greater persistence than that currently associated with Internet host names or organisations (as used in URLs). Uniform Resource Names will be URI schemes that improve on URLs in reliability over time, including authenticity, replication, and high availability. When defined, a URN in sense 1 will be an example of a URN in sense 2.
  • union of south africa — former name for South Africa, Republic of.
  • university of iceland — (body, education)   The Home of Fjolnir.
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