24-letter words containing c, l, e, n
- optical signal processor — optical computing
- parallel cousin marriage — marriage between the children of two brothers or two sisters.
- parallel virtual machine — (parallel, networking, tool) (PVM) 1. A software system designed to allow a network of heterogeneous machines to be used as a single distributed parallel processor. PVM was developed by the University of Tennessee, The Oak Ridge National Laboratory and the Emory University. 2. The intermediate language used by the Gambit compiler for Scheme.
- particulate fluidization — Particulate fluidization is a condition when particles in a fluidized bed are individually suspended.
- passive balance of trade — a negative balance of trade
- permeability coefficient — the volume of an incompressible fluid that will flow in unit time through a unit cube of a porous substance across which a unit pressure difference is maintained
- photomechanical transfer — a method of producing photographic prints or offset printing plates from paper negatives by a chemical transfer process rather than by exposure to light
- polychlorinated biphenyl — PCB.
- portable document format — (file format) (PDF) The native file format for Adobe Systems' Acrobat. PDF is the file format for representing documents in a manner that is independent of the original application software, hardware, and operating system used to create those documents. A PDF file can describe documents containing any combination of text, graphics, and images in a device-independent and resolution independent format. These documents can be one page or thousands of pages, very simple or extremely complex with a rich use of fonts, graphics, colour, and images.
- potassium cobaltinitrite — a yellow, crystalline, slightly water-soluble powder, K 3 Co(NO 2) 6 , used as a pigment in oil and watercolor paints, and for coloring surfaces of glass, porcelain, etc.
- principal quantum number — the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.
- private health insurance — insurance against the need for medical treatment as a private patient
- privileged communication — a communication that one cannot legally be compelled to divulge, as that to a lawyer from a client
- professional association — a body of persons engaged in the same profession, formed usually to control entry into the profession, maintain standards, and represent the profession in discussions with other bodies
- professional corporation — a corporation formed by one or more licensed practitioners, especially medical or legal, to operate their practices on a corporate plan. Abbreviation: PC, P.C.
- psychopathic personality — an antisocial personality characterized by the failure to develop any sense of moral responsibility and the capability of performing violent or antisocial acts
- public access television — television in which local producers or individuals can participate
- public international law — Also called public law. the law governing the legal relations between independent states or nations and, increasingly, between these and individuals.
- public relations officer — a person who is responsible for communications with the public
- public-access television — a noncommercial system of broadcasting on television channels made available to independent or community groups for programs of general interest to the community.
- pure functional language — purely functional language
- quick-assembly furniture — furniture such as shelves and cupboards which you buy as a number of separate pieces and assemble yourself
- quinacrine hydrochloride — Atabrine
- reciprocal translocation — an exchange of segments between two nonhomologous chromosomes.
- recommended retail price — the selling price of a product officially suggested by a manufacturer to a retailer
- reconnaissance satellite — a military satellite designed to carry out photographic surveillance, gather electronic intelligence, detect nuclear explosions, or provide early warning of strategic-missile launchings.
- referential transparency — (programming) An expression E is referentially transparent if any subexpression and its value (the result of evaluating it) can be interchanged without changing the value of E. This is not the case if the value of an expression depends on global state which can change value. The most common example of changing global state is assignment to a global variable. For example, if y is a global variable in: f(x) { return x+y; } g(z) { a = f(1); y = y + z; return a + f(1); } function g has the "side-effect" that it alters the value of y. Since f's result depends on y, the two calls to f(1) will return different results even though the argument is the same. Thus f is not referentially transparent. Changing the order of evaluation of the statements in g will change its result. We could make f above referentially transparent by passing in y as an argument: f(x, y) = x+y Similarly, g would need to take y as an argument and return its new value as part of the result: g(z, y) { a = f(1, y); y' = y+z; return (a + f(1, y'), y'); } Referentially transparent programs are more amenable to formal methods and easier to reason about because the meaning of an expression depends only on the meaning of its subexpressions and not on the order of evaluation or side-effects of other expressions. We can stretch the concept of referential transparency to include input and output if we consider the whole program to be a function from its input to its output. The program as a whole is referentially transparent because it will always produce the same output when given the same input. This is stretching the concept because the program's input may include what the user types, the content of certain files or even the time of day. If we do not consider global state like the contents of files as input, then writing to a file and reading what was written behaves just like assignment to a global variable. However, if we must consider the state of the universe as an input rather than global state then any deterministic system would be referentially transparent! See also extensional equality, observational equivalence.
- regular checking account — a checking account for which the monthly fee is usually based on the average balance maintained and the number of transactions recorded.
- renewable term insurance — Renewable term insurance is term life insurance that may be renewed for another period without the policyholder needing to provide further evidence of their insurability.
- resale price maintenance — the practice by which a manufacturer establishes a fixed or minimum price for the resale of a brand product by retailers or other distributors
- research and development — the part of a commercial company's activity concerned with applying the results of scientific research to develop new products and improve existing ones
- responsibility allowance — payment made to somebody who has special responsibilities
- revolving charge account — a charge plan offerring revolving credit.
- richard the lion-hearted — ("Richard the Lion-Hearted"; "Richard Coeur de Lion") 1157–99, king of England 1189–99.
- robot exclusion standard — standard for robot exclusion
- rock back on one's heels — to astonish or be astonished
- santa coloma de gramanet — a city in NE Spain.
- second earl of shelburne — William Petty Fitzmaurice, 2nd Earl of, 1st Marquess of Lansdowne, William Petty Fizmaurice Lansdowne.
- secondary school teacher — a person who teaches at a secondary school
- self-fulfilling prophecy — a prophecy that comes true because of the expectation that it will
- sequentially compact set — a set in which every sequence has a subsequence that converges to a point of the set.
- serial interface adaptor — (SIA) The Ethernet driver chip used on a Filtabyte Ethernet card.
- show one's (true) colors — to reveal one's true self
- single connection attach — (hardware) (SCA, "Single Connector Attachment") A non-standard type of SCSI connector, used mostly by OEMs, which carries both power and data on one 80-pin connector. SCA SCSI drives tend to be cheaper but use with standard SCSI cables requires an adaptor and external termination.
- single european currency — the official currency, also known as the Euro, of some of the members of the European Union
- single premium insurance — Single premium insurance is insurance where all the premium is paid at once, in one payment.
- skeleton in the cupboard — a scandalous fact or event in the past that is kept secret
- south equatorial current — an ocean current, flowing westward, found near the equator in the Atlantic, Pacific, and Indian oceans.
- southern cornstalk borer — the larva of a grass moth, Diatraea crambidoides, occurring in the southeastern U.S. from Maryland to Georgia, that is sometimes a serious pest, especially of corn.
- special checking account — a checking account that requires no minimum balance but in which a small charge is made for each check issued or drawn and for monthly maintenance.