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20-letter words containing p, e, r, f

  • pave the way for sth — If one thing paves the way for another, it creates a situation in which it is possible or more likely that the other thing will happen.
  • period of revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
  • permonosulfuric acid — persulfuric acid (def 1).
  • person of no account — (University of California at Santa Cruz) Used when referring to a person with no network address, frequently to forestall confusion. Most often as part of an introduction: "This is Bill, a person of no account, but he used to be [email protected]". Compare return from the dead.
  • pest control officer — a person who gets rid of pests such as rats and mice
  • photoelectric effect — the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface.
  • piezoelectric effect — the property exhibited by some nonconducting crystals of becoming electrically polarized when mechanically strained and of becoming mechanically strained when an electric field is applied.
  • portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
  • post office protocol — (messaging, protocol)   (POP) A protocol designed to allow single-user computers to retrieve electronic mail from a POP server via TCP/IP. The default port is 110. The POP server might be a computer with a permanent Internet connection whereas its clients might only connect to it occasionally, e.g. by modem. There are (in 1994) three versions: POP, POP2, and POP3. Later versions are NOT compatible with earlier ones.
  • potential difference — voltage
  • power of appointment — the authority granted by a donor to a donee to select the person or persons who are to enjoy property rights or income upon the death of the donor or of the donee or after the termination of existing rights or interests.
  • powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
  • prefecture apostolic — a territory in the early stage of missionary development.
  • pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
  • prima facie evidence — evidence sufficient to establish a fact or to raise a presumption of fact unless rebutted.
  • prima-facie evidence — evidence that is sufficient to establish a fact or to raise a presumption of the truth of a fact unless controverted
  • proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
  • public record office — an institution in which official records are stored and kept available for inspection by the public
  • queen of the prairie — a tall plant, Filipendula rubra, of the rose family, having branching clusters of pink flowers, growing in meadows and prairies.
  • rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
  • recuperative furnace — a furnace having its incoming air heated by exhaust gases, the passage of air and gases through the furnace being always in the same direction.
  • reflecting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
  • republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
  • request for proposal — (programming)   (RFP) The publication by a prospective software purchaser of details of the required system in order to attract offers by software developers to supply it. Software development under contract starts with the selection of the software developer by the customer. A request for proposal (also called in Britain an "invitation to tender") is the beginning of the selection process.
  • respecter of persons — one whose behavior toward people is influenced by their social status, prestige, etc.
  • separation of powers — the principle or system of vesting in separate branches the executive, legislative, and judicial powers of a government.
  • sing for your supper — If someone has to sing for their supper, they have to do a job before they are allowed to do something they want to do.
  • soke of peterborough — a former administrative unit of E central England, generally considered part of Northamptonshire or Huntingdonshire: absorbed into Cambridgeshire in 1974
  • span of apprehension — the maximum number of objects that can be correctly assessed after a brief presentation
  • spanish west african — of or relating to the former Spanish overseas territory of Spanish West Africa (now the overseas provinces of Ifni and Spanish Sahara) or its inhabitants
  • specific performance — (especially in the sale of land) literal compliance with one's contractual promises pursuant to a judicial mandate.
  • spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
  • spirit of enterprise — the motivation to set up and succeed in business or commerce
  • split the difference — the state or relation of being different; dissimilarity: There is a great difference between the two.
  • spread like wildfire — If something, especially news or a rumour, spreads like wildfire, it spreads extremely quickly.
  • square of opposition — a diagrammatic representation of the opposition of categorical propositions.
  • the legal profession — the profession of law
  • the price of someone — what someone deserves, esp a fitting punishment
  • third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
  • to hope for the best — If you are in a difficult situation and do something and hope for the best, you hope that everything will happen in the way you want, although you know that it may not.
  • toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
  • trumpet call for sth — a signal for something
  • unemployment figures — statistics relating to the number of people who are out of work
  • uniform crime report — an annual report issued by the FBI that presents data on selected categories of crimes reported to the police. Abbreviation: UCR.
  • university professor — a professor entitled to teach courses in more than one field or discipline at a university.
  • upper yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park that is 436 m (1430 ft) high
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