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

  • open telecom platform — (communications, library)   (OTP) A set of standard, open source libraries and tools for use with Erlang.
  • pacific daylight time — the version of Pacific Standard Time that is in use when daylight saving time is being observed
  • pacific standard time — See under standard time.
  • partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
  • partition coefficient — the ratio of the concentrations of a substance in two heterogenous phases in equilibrium with each other
  • pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
  • performance appraisal — the assessment, at regular intervals, of an employee's performance at work
  • performance indicator — a quantitative or qualitative measurement, or any other criterion, by which the performance, efficiency, achievement, etc of a person or organization can be assessed, often by comparison with an agreed standard or target
  • performance-enhancing — noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
  • peroxydisulfuric acid — persulfuric acid (def 2).
  • piero della francesca — Piero della [pee-air-oh del-uh;; Italian pye-raw del-lah] /piˈɛər oʊ ˈdɛl ə;; Italian ˈpyɛ rɔ ˈdɛl lɑ/ (Show IPA), (Piero dei Franceschi) c1420–92, Italian painter.
  • place of articulation — the location at which two speech organs approach or come together in producing a speech sound, as in the contact of the tongue and the teeth to form a dental sound. Also called point of articulation. Compare articulator (def 2).
  • place of safety order — (in Britain) under the Children and Young Persons Act 1969, an order granted by a justice to a person or agency granting authority to detain a child or young person and take him or her to a place of safety for not more than 28 days, because of the child's actual or likely ill-treatment or neglect, etc
  • play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
  • powersoft corporation — (company)   A leading vendor of client/server application development tools. In February 1994, Watcom became a wholly-owned subsidiary of Powersoft Corporation which merged with Sybase on 13 February 1995. In April 1995, the new company is the fastest growing top-ten software company and the seventh largest software company in the world. Headquarters: Concord, Massachusetts, USA.
  • preacquisition profit — the retained profit of a company earned before a takeover and therefore not eligible for distribution as a dividend to the shareholders of the acquiring company
  • 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.
  • sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
  • 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.
  • schema definition set — (SDS) Something in Portable Common Tool Environment.
  • 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.
  • 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.
  • take/come into effect — If a law or policy takes effect or comes into effect at a particular time, it officially begins to apply or be valid from that time. If it remains in effect, it still applies or is still valid.
  • teacher certification — official qualifications for educators
  • tetrabromofluorescein — eosin (def 1).
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