23-letter words containing a, p, e, r, i, t
- parametric polymorphism — Polymorphism was first identified by Christopher Strachey in 1967 and developed by Hindley and Milner. For example we could specify that the argument of the "head" function was a list without specifying a type for the elements of the list. In Haskell we would write: head :: [a] -> a meaning head has type function from "list of a" to "a" where "a" is a type variable). This is known as parametric polymorphism. Polymorphic typing allows strong type checking as well as generic functions. ML in 1976 was the first language with polymorphic typing. See also generic type variable.
- parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
- parliamentary candidate — sb standing for election to government
- parliamentary democracy — a system of government in which people elect representatives to a parliament to make laws, for example Canada and the UK
- parliamentary privilege — legal immunity allowing lawmakers to speak freely without being subject to the usual laws of slander
- parliamentary secretary — government minister's assistant
- partial differentiation — the process of finding one of the partial derivatives of a function of several variables.
- participant observation — a technique of field research, used in anthropology and sociology, by which an investigator (participant observer) studies the life of a group by sharing in its activities.
- participating insurance — insurance in which the policyholders receive dividends and share in the surplus earnings of the company.
- participating preferred — a preferred stock entitled to its fixed dividend and to additional ones on a specified basis after payment of dividends on common stock.
- participatory democracy — individual participation by citizens in political decisions and policies that affect their lives, especially directly rather than through elected representatives.
- particulate inheritance — the inheritance of discrete characters via genes that are independently expressed without the blending of characters from one generation to the next.
- pentachloronitrobenzene — a crystalline compound, C 6 Cl 5 NO 2 , used as an herbicide and insecticide. Abbreviation: PCNB.
- percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
- pharmaceuticals company — a company specialising in developing and marketing pharmaceuticals
- philadelphia pepper pot — pepper pot (def 1).
- photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
- pithecanthropus erectus — Java man
- play by electronic mail — (games) A kind of game where the players use electronic mail to communicate. This may be done via a human moderator or an automatic mailing list exploder on some central machine or it may be fully distributed with each player just addressing his mail to all other players. This is a natural extension of "play by mail" games conducted via snail mail.
- political incorrectness — Political incorrectness is the attitude or policy shown by someone who does not care if they offend or upset any group of people in society who have a disadvantage, or who have been treated differently because of their sex, race, or disability.
- polybrominated biphenyl — PBB.
- portable tool interface — (programming, standard) (PTI) A standard such as PCTE, allowing interworking between different software tools via defined interfaces to the user and to the repository or object management system.
- positive discrimination — special opportunities
- postcode discrimination — discrimination on the basis of the area where someone lives, with relation to employment, credit rating, etc
- potassium acid tartrate — cream of tartar.
- power factor correction — Power factor correction is the process of increasing the power factor to near unity without altering the original load.
- praxis critical systems — (company) The company that supplies SPARK.
- precautionary principle — the precept that an action should not be taken if the consequences are uncertain and potentially dangerous
- precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
- preclinical safety data — Preclinical safety data is information about the safety of a medication that is assessed before clinical trials.
- presidential government — a system of government in which the powers of the president are constitutionally separate from those of the legislature.
- price escalation clause — a clause in a contract allowing the seller to raise prices if the cost of inputs increases
- price out of the market — to charge so highly for as to prevent the sale, hire, etc, of
- print services facility — (printer) (PSF) IBM's system software which generates native IBM printer language, IPDS and, depending on the version, PostScript and LaserJet PCL. See also: Advanced Function Presentation.
- printer access protocol — (networking, protocol, printer) (PAP) A protocol used in Mac OS Appletalk to provide bi-directional communication between PostScript printers and the client computer.
- private branch exchange — (communications) (PBX) A telephone exchange local to a particular organisation who use, rather than provide, telephone services. The earliest PBXs were manual (Private Manual Branch EXchange, PMBX) but are now more likely to be automatic (Private Automatic Branch eXchange).
- private limited company — a company whose shares can be bought by the public
- process intensification — Process intensification is a change made to a process to make it work in a smaller volume for the same performance.
- product differentiation — the real or illusory distinction between competing products in a market
- professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
- progressive cavity pump — A progressive cavity pump is a pump with an electric motor that rotates rods to make fluid in cavities move upward.
- provocative maintenance — [Common ironic mutation of "preventive maintenance"] Actions performed upon a machine at regularly scheduled intervals to ensure that the system remains in a usable state. So called because it is all too often performed by a field servoid who doesn't know what he is doing; such "maintenance" often *induces* problems, or otherwise results in the machine's remaining in an *un*usable state for an indeterminate amount of time. See also scratch monkey.
- psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
- public-key cryptography — public-key encryption
- puerto rican royal palm — a feather palm, Roystonea borinquena, of Puerto Rico and St. Croix, having leaves about 10 feet (3 meters) long and egg-shaped, yellowish-brown fruit.
- put the record straight — to correct an error or misunderstanding
- real simple syndication — (spelling) Illiterate form of Really Simple Syndication.
- refinery waste disposal — Refinery waste disposal is the system for dealing with waste materials, especially hazardous ones, in a refinery.
- relative sunspot number — a number indicating the degree of sunspot activity on the sun as a factor of observer idiosyncrasies, the number of sunspot groups, and the number of individual sunspots.
- respectability politics — the set of beliefs holding that conformity to socially acceptable or mainstream standards of appearance and behavior will protect a member of a marginalized or minority group from prejudices and systemic injustices: Black respectability politics perpetuate the fiction of a meritocracy in public education.