18-letter words containing p, a, c
- 16-bit application — (operating system) Software for MS-DOS or Microsoft Windows which originally ran on the 16-bit Intel 8088 and 80286 microprocessors. These used a segmented address space to extend the range of addresses from what is possible with just a 16-bit address. Programs with more than 64 kilobytes of code or data therefore had to waste time switching between segments. Furthermore, programming with segments is more involved than programming in a flat address space, giving rise to warts like memory models in C and C++. Compare 32-bit application.
- 32-bit application — (architecture, operating system) IBM PC software that runs in a 32-bit flat address space. The term 32-bit application came about because MS-DOS and Microsoft Windows were originally written for the Intel 8088 and 80286 microprocessors. These are 16 bit microprocessors with a segmented address space. Programs with more than 64 kilobytes of code and/or data therefore had to switch between segments quite frequently. As this operation is quite time consuming in comparison to other machine operations, the application's performance may suffer. Furthermore, programming with segments is more involved than programming in a flat address space, giving rise to some complications in programming languages like "memory models" in C and C++. The shift from 16-bit software to 32-bit software on IBM PC clones became possible with the introduction of the Intel 80386 microprocessor. This microprocessor and its successors support a segmented address space with 16-bit and 32 bit segments (more precisely: segments with 16- or 32-bit address offset) or a linear 32-bit address space. For compatibility reasons, however, much of the software is nevertheless written in 16-bit models. See also Win32s.
- a piece of crumpet — a sexually desirable woman
- a place in the sun — If you say that someone has found their place in the sun, you mean that they are in a job or a situation where they will be happy and have everything that they want.
- a slap in the face — If you describe something that someone does as a slap in the face, you mean that it shocks or upsets you because it shows that they do not support you or respect you.
- a slap on the back — congratulation
- aarp probe packets — (networking) AARP packets sent out on a nonextended AppleTalk network to discover whether a randomly selected node ID is being used by any node. If not, the sending node uses the node ID. If so, it chooses a different ID and sends more AARP probe packets.
- absorption costing — a method of cost accounting in which overheads are apportioned to cost centres, where they are absorbed using predetermined rates
- abstract data type — (programming) (ADT) A kind of data abstraction where a type's internal form is hidden behind a set of access functions. Values of the type are created and inspected only by calls to the access functions. This allows the implementation of the type to be changed without requiring any changes outside the module in which it is defined. A classic example of an ADT is a stack data type for which functions might be provided to create an empty stack, to push values onto a stack and to pop values from a stack.
- acceptance testing — (programming) Formal testing conducted to determine whether a system satisfies its acceptance criteria and thus whether the customer should accept the system.
- accident proneness — the unconscious tendency, thought to exist in some people, to involve themselves in a large number of accidents
- accumulation point — a point such that every neighborhood of the point contains at least one point in a given set other than the given point.
- acid precipitation — meteorological precipitation that is relatively acidic.
- acoustic impedance — the total reaction of a medium to the transmission of sound through it, expressed as the ratio of sound pressure to particle velocity at a given point in the medium.
- acoustic phonetics — the branch of phonetics concerned with the acoustic properties of human speech
- acupuncture needle — a very fine needle with a rounded tip, used in acupuncture
- administered price — a price determined by a seller's pricing policy and not by market forces, supply and demand, etc
- aerial perspective — a means of indicating relative distance in terms of a gradation of clarity, tone, and colour, esp blue
- aerospace medicine — aviation medicine
- african tulip tree — a tropical African evergreen tree, Spathodea campaulata, with pinnate leaves, split pods, winged seeds, and large red flowers.
- airspeed indicator — a dial that indicates the airspeed at which an aircraft is travelling
- alcohol dependence — alcoholism.
- algebraic topology — the branch of mathematics that deals with the application of algebraic methods to topology, especially the study of homology and homotopy.
- all over the place — If something is happening all over the place, it is happening in many different places.
- almoner's cupboard — a cupboard with pierced doors, formerly used as a storage place for food.
- alpha-hydroxy acid — a type of organic acid, commonly used in skin-care preparations, that has a hydroxyl group attached to the carbon atom next to the carbon atom carrying the carboxyl group
- alpha-stannic acid — any of the series of acids usually occurring as amorphous powders and varying in composition from H 2 SnO 3 (alpha-stannic acid) to H 4 SnO 4 .
- alphaphotographics — A display made up of text characters combined with high-resolution photographic images (proposed as a future form of videotex).
- amdahl corporation — (company) A US computer manufacturer. Amdahl is a major supplier of large mainframes, UNIX and Open Systems software and servers, data storage subsystems, data communications products, applications development software, and a variety of educational and consulting services. Amdahl products are sold in more than 30 countries for use in both open systems and IBM plug-compatible mainframe computing environments. Quarterly sales $397M, profits $13M (Aug 1994). In 1997 Amdahl became a division of Fujitsu.
- anaphylactic shock — a severe, sometimes fatal, reaction to a substance to which a person has an extreme sensitivity, often involving respiratory difficulty and circulation failure
- angiocardiographic — Relating to angiocardiography.
- anthropocentricity — the state or quality of being anthropocentric.
- anti-masonic party — a former political party (1826–35) that opposed Freemasonry in civil affairs.
- anticipated profit — the profit that one expects to make from a deal, transaction, or project
- antipatheticalness — The state or quality of being antipathetical.
- apocryphal gospels — accounts of Christ's life that are not recognized as part of the New Testament
- apostolic delegate — a representative of the pope sent to countries that do not have full or regular diplomatic relations with the Holy See
- appalachian spring — a dance (1944) choreographed by Martha Graham, with musical score by Aaron Copland.
- apparatus criticus — textual notes, list of variant readings, etc, relating to a document, esp in a scholarly edition of a text
- application server — 1.
A designer's or developer's suite of software that helps programmers isolate the business logic in their programs from the platform-related code. Application servers can handle all of the application logic and connectivity found in client-server applications. Many application servers also offer features such as transaction management, clustering and failover, and load balancing; nearly all offer ODBC support. 2. Production programs run on a mid-sized computer that handle all application operations between browser-based computers and an organisation's back-end business applications or databases. The application server works as a translator, allowing, for example, a customer with a browser to search an online retailer's database for pricing information. 3. The device on which application server software runs. Application Service Providers offer commercial access to such devices. - applied kinematics — kinematics (def 2).
- applied psychology — psychology that is put to practical use
- apprentice plumber — a trainee plumber
- arachibutyrophobia — Fear of peanut butter sticking to the roof of one's mouth.
- arctic archipelago — group of mostly large islands in the Arctic Ocean off the N coast of Canada
- arkansas toothpick — a bowie knife or similar sharp knifelike implement.
- arm's-length price — a price of a transaction agreed in accordance with market values, disregarding any connection such as common ownership of the companies involved
- army of occupation — an army that goes into a defeated country to enforce peace terms, keep order, etc.
- arrogance of power — presumption on the part of a nation that its power gives it the right to intervene in the affairs of less powerful nations.
- aseptic meningitis — a mild form of meningitis usually caused by one of several viruses, characterized by headache, fever, and neck stiffness.
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