16-letter words containing p, e, r, f
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
- paraformaldehyde — a white, crystalline polymer of formaldehyde, (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic.
- parallel fortran — (language) (Pfortran) Extensions to Fortran by Ridgway Scott <[email protected]> of Houston University. Pfortran provides a shared memory SIMD model on message passing computers. It was under development in 1994.
- paraprofessional — a person trained to assist a doctor, lawyer, teacher, or other professional, but not licensed to practice in the profession.
- parrot's-feather — a South American water milfoil, Myriophyllum aquaticum, having hairlike pinnate leaves, widely cultivated as an aquarium plant.
- parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
- pass-band filter — band-pass filter
- passive transfer — Immunology. injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions.
- peace conference — a conference where representatives of warring governments or countries sign a treaty to end conflict
- pearls of wisdom — good advice, wise words
- pearly razorfish — See under razorfish.
- peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
- perfecting press — a rotary press for printing both sides of a sheet or web in one operation.
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- performance bond — contract bond.
- performance test — a test requiring little or no use of language, the test materials being designed to elicit manual or behavioral responses rather than verbal ones.
- period furniture — furniture that was made during a particular period in time
- permafrost table — the variable surface constituting the upper limit of permafrost. Compare frostline (def 2).
- person of colour — a person who is not White
- personal effects — belongings
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- petrified forest — a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old
- phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
- phosphor fatigue — screen saver
- place of worship — religious house: church, temple
- plaster of paris — calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for making fine and ornamental casts: characterized by its ability to set rapidly when mixed with water.
- platform-balance — a scale with a platform for holding the items to be weighed.
- portfolio worker — a person in portfolio employment
- post-reformation — the act of reforming; state of being reformed.
- powerfully built — (of a person, esp a man) big and physically strong, with large muscles
- powerpc platform — (architecture, standard) (PPCP, PReP - PowerPC Reference Platform, formerly CHRP - Common Hardware Reference Platform) An open system standard, designed by IBM, intended to ensure compatibility among PowerPC-based systems built by different companies. The PReP standard specifies the PCI bus, but will also support ISA, MicroChannel and PCMCIA. PReP-compliant systems will be able to run the Macintosh OS, OS/2, WorkplaceOS, AIX, Solaris, Taligent and Windows NT. IBM systems will (of course) be PReP-compliant. Apple's first PowerPC Macintoshes will not be compliant, but future ones may be.
- practical effect — Usually, practical effects. a special effect that is created live on the set of a film, using real-world objects.
- preference share — a share of preferred stock.
- preference stock — preferred stock.
- presence of mind — a calm state of mind that allows one to think clearly or act effectively in an emergency.
- prespecification — the act of specifying.
- press conference — a prearranged interview with news reporters, held to elicit publicity or, as granted by a dignitary, public official, research scientist, etc., to fulfill a request from the press.
- pressure flaking — a method of manufacturing a flint tool by pressing flakes from a stone core with a pointed implement, usually of wood tipped with antler or copper.
- pride oneself on — to be proud of
- prima facie case — a case in which the evidence produced is sufficient to enable a decision or verdict to be made unless the evidence is rebutted.
- prince's feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- prince's-feather — a tall, showy plant, Amaranthus hybridus erythrostachys, of the amaranth family, having reddish foliage and thick spikes of small, red flowers.
- principal rafter — a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
- prisoner of bill — (humour) (PoB) A derisory term, in use generally among Unix users, for anyone who uses Microsoft products either because they don't know there is anything better (i.e. Unix) or because they would be incapable of working anything more complex (i.e. Unix). The interesting and widespread presumption among users of the term is that (at least at the time of writing, 1998) using anything other than Unix or a Microsoft OS (whether VMS, Macintosh, Amiga) is so eccentric a choice as to be at least somewhat praiseworthy.
- professionalisms — professional character, spirit, or methods.
- proficiency test — an exam which test how proficient or skilled someone is in a particular activity, field of study, language, etc
- proof of concept — the stage during the development of a product when it is established that the product will function as intended
- proof of postage — a document, such as a receipt, etc, that proves that you have posted or mailed something
- puddling-furnace — the act of a person or thing that puddles.