16-letter words containing f, a, r
- 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.
- 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.
- polyvinyl formal — a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
- post-reformation — the act of reforming; state of being reformed.
- 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.
- prespecification — the act of specifying.
- 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.
- pribilof islands — a group of islands in the Bering Sea, off SW Alaska, belonging to the US: the breeding ground of the northern fur seal. Area: about 168 sq km (65 sq miles)
- 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.
- professionalisms — professional character, spirit, or methods.
- 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.
- put a foot wrong — to make a mistake
- quarter-finalist — A quarter-finalist is a person or team that is competing in a quarter-final.
- racial profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
- rape of the lock — a mock-epic poem (1712) by Alexander Pope.
- raspberry sawfly — a black sawfly, Monophadnoides geniculatus, the larvae of which feed on the leaves of the raspberry and blackberry.
- rate of exchange — exchange rate.
- rational fortran — (language) (RATFOR) Brian Kernighan's Fortran preprocessor that allows programming with C-like control flow. RATFOR is mainly of historical significance. A translator from Ratfor to Fortran IV was posted to comp.sources.Unix volume 13.
- rattlesnake fern — any of several American grape ferns, especially Botrychium virginianium, having clusters of sporangia resembling the rattles of a rattlesnake.
- rattlesnake flag — any of a number of U.S. flags that bear a picture of a rattlesnake and the motto “Don't Tread on Me,” especially those used during the French and Indian War and the American Revolution.
- reasons of state — political justifications for an immoral act
- reclassification — categorization in a different way
- red-flannel hash — hash made of ground corned beef, potatoes, and beets
- refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
- reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
- reflexive domain — A domain satisfying a recursive domain equation. E.g. D = D -> D.
- refracting angle — an angle formed by a ray which is refracted and which is perpendicular to the refracting surface
- refractive index — index of refraction.
- refrigerator car — a freight car having either an ice chest or machinery for chilling perishables and sometimes having a heating unit to keep perishables from freezing.
- registration fee — a fee paid to register, enrol or sign up for (a course, etc)
- reidentification — an act or instance of identifying; the state of being identified.
- releasing factor — a substance usually of hypothalamic origin that triggers the release of a particular hormone from an endocrine gland.
- rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
- right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
- romantic fiction — a genre of fiction focused on romantic love
- root normal form — (RNF) Head Normal Form in graph rewriting.
- rotation of axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- rule of the road — any of the regulations concerning the safe handling of vessels under way with respect to one another, imposed by a government on ships in its own waters or upon its own ships on the high seas.