16-letter words containing p, o, r, t, f
- 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
- 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.
- preference stock — preferred stock.
- prespecification — the act of specifying.
- 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 your feet up — If you put your feet up, you relax or have a rest, especially by sitting or lying with your feet supported off the ground.
- 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.
- reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
- score points off — to gain an advantage at someone else's expense
- self-approbation — approval; commendation.
- self-deprecation — belittling or undervaluing oneself; excessively modest.
- self-deprecatory — belittling or undervaluing oneself; excessively modest.
- self-deprivation — the act of depriving.
- self-description — a statement, picture in words, or account that describes; descriptive representation.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-explanatory — explaining itself; needing no explanation; obvious.
- self-improvement — improvement of one's mind, character, etc., through one's own efforts.
- self-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
- self-propagating — to cause (an organism) to multiply by any process of natural reproduction from the parent stock.
- serpentine front — a front, as of a chest of drawers, having a horizontal compound curve with a convex section between two concave ones.
- shaft horsepower — the horsepower delivered to the driving shaft of an engine, as measured by a torsion meter. Abbreviation: shp, SHP.
- soft pornography — soft-core pornography.
- software package — bundle of files to execute computer program
- speak for itself — be self-evident
- spreading factor — a substance, as hyaluronidase, that promotes the diffusion of a material through body tissues
- stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
- street performer — busker or entertainer in a public place
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.