16-letter words containing r, t, f
- off one's stroke — performing or working less well than usual
- off-the-shoulder — not covering the shoulder
- old north french — the dialect of Old French spoken in northern France. Abbreviation: ONF.
- on a war footing — If a country or armed force is on a war footing, it is ready to fight a war.
- on the stroke of — punctually at
- one for the book — a handwritten or printed work of fiction or nonfiction, usually on sheets of paper fastened or bound together within covers.
- one for the road — a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway.
- operating profit — the profit of a company, etc, after it deducts its operating costs or the costs necessary to conduct the business
- order of the day — the agenda for an assembly, meeting, group, or organization.
- ordnance factory — a factory that makes military weapons and ammunition
- orthoformic acid — a hypothetical acid, HC(OH) 3 , known only in the form of its esters.
- out of character — the aggregate of features and traits that form the individual nature of some person or thing.
- out of your mind — If you say that someone is out of their mind, you mean that they are mad or very foolish.
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- outsmart oneself — to have one's efforts at cunning or cleverness result in one's own disadvantage
- over-familiarity — thorough knowledge or mastery of a thing, subject, 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.
- packing fraction — Physics. a measure of the stability of an atomic nucleus, equal to 10 4 multiplied by the mass defect and divided by the mass number.
- 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.
- parrot's-feather — a South American water milfoil, Myriophyllum aquaticum, having hairlike pinnate leaves, widely cultivated as an aquarium plant.
- partial fraction — one of the fractions into which a given fraction can be resolved, the sum of such simpler fractions being equal to the given fraction: Partial fractions of 5/(x2−x) are 5/(x−1) and −5/x.
- partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
- 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.
- 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 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).
- personal effects — belongings
- petrified forest — a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old
- phosphor fatigue — screen saver
- 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 stock — preferred stock.
- prespecification — the act of specifying.
- 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.
- 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
- put a foot wrong — to make a mistake
- put sb/sth first — If you put someone or something first, you treat or consider them as more important than anything else.