24-letter words containing u, v, a, l
- acceptable quality level — a quality standard that indicates the maximum percentage of defects allowed in a production process
- administrative-law judge — an official of a federal or state agency who hears, weighs, and decides on evidence in administrative proceedings, and makes recommendations for any necessary legal action.
- alexandre gustave eiffel — Alexandre Gustave [a-lek-sahn-druh gys-tav] /a lɛkˈsɑ̃ drə güsˈtav/ (Show IPA), 1832–1923, French civil engineer and pioneer aerodynamic researcher.
- avian pneumoencephalitis — Newcastle disease.
- black english vernacular — Black English (def 1). Abbreviation: BEV.
- black vernacular english — Black English (def 1). Abbreviation: BEV.
- black-english-vernacular — Also called African American Vernacular English, African American English, Afro-American English, Black English Vernacular, Black Vernacular English.a dialect of American English characterized by pronunciations, syntactic structures, and vocabulary associated with and used by some North American black people and exhibiting a wide variety and range of forms varying in the extent to which they differ from standard English.
- cerebrovascular accident — a sudden interruption of the blood supply to the brain caused by rupture of an artery in the brain (cerebral haemorrhage) or the blocking of a blood vessel, as by a clot of blood (cerebral occlusion)
- civil aviation authority — the national body governing civil aviation
- congestive heart failure — heart failure characterized by weakness, breathlessness, and abnormal congestion in the circulatory system, esp. in the lungs or lower legs
- cooperative multitasking — (parallel, operating system) A form of multitasking where it is the responsibility of the currently running task to give up the processor to allow other tasks to run. This contrasts with pre-emptive multitasking where the task scheduler periodically suspends the running task and restarts another. Cooperative multitasking requires the programmer to place calls at suitable points in his code to allow his task to be descheduled which is not always easy if there is no obvious top-level main loop or some routines run for a long time. If a task does not allow itself to be descheduled all other tasks on the system will appear to "freeze" and will not respond to user action. The advantage of cooperative multitasking is that the programmer knows where the program will be descheduled and can make sure that this will not cause unwanted interaction with other processes. Under pre-emptive multitasking, the scheduler must ensure that sufficient state for each process is saved and restored that they will not interfere. Thus cooperative multitasking can have lower overheads than pre-emptive multitasking because of the greater control it offers over when a task may be descheduled. Cooperative multitasking is used in RISC OS, Microsoft Windows and Macintosh System 7.
- definite relative clause — a relative clause with a definite relative pronoun as subordinating word, as that they said in We heard the things that they said.
- destructive distillation — the decomposition of a complex substance, such as wood or coal, by heating it in the absence of air and collecting the volatile products
- double overhead camshaft — a pair of overhead camshafts, one to operate the intake valves and the other to operate the exhaust valves. Abbreviation: DOHC.
- equivalence partitioning — equivalence class partitioning
- evolutionary computation — Computer-based problem solving systems that use computational models of evolutionary processes as the key elements in design and implementation. A number of evolutionary computational models have been proposed, including evolutionary algorithms, genetic algorithms, the evolution strategy, evolutionary programming, and artificial life.
- evolutionary programming — (EP) A stochastic optimisation strategy originally conceived by Lawrence J. Fogel in 1960. An initially random population of individuals (trial solutions) is created. Mutations are then applied to each individual to create new individuals. Mutations vary in the severity of their effect on the behaviour of the individual. The new individuals are then compared in a "tournament" to select which should survive to form the new population. EP is similar to a genetic algorithm, but models only the behavioural linkage between parents and their offspring, rather than seeking to emulate specific genetic operators from nature such as the encoding of behaviour in a genome and recombination by genetic crossover. EP is also similar to an evolution strategy (ES) although the two approaches developed independently. In EP, selection is by comparison with a randomly chosen set of other individuals whereas ES typically uses deterministic selection in which the worst individuals are purged from the population.
- have sth up one's sleeve — If you have something up your sleeve, you have an idea or plan which you have not told anyone about. You can also say that someone has an ace, card, or trick up their sleeve.
- head and shoulders above — vastly superior to
- human potential movement — a movement in psychology that includes group therapy, encounter therapy, primal therapy, etc., is based mainly on Freudian and Gestalt psychology, and is aimed at self-realization
- internal revenue service — the division of the U.S. Department of the Treasury that collects internal revenue, including income taxes and excise taxes, and that enforces revenue laws.
- involuntary manslaughter — the unlawful but unintentional killing of a human being
- involutional melancholia — (formerly) extreme depression related to menopause or, less frequently, the male climacteric.
- leave much to be desired — be inadequate
- leave no stone un turned — the hard substance, formed of mineral matter, of which rocks consist.
- master-slave manipulator — any of various devices, guided by the hand of the operator, for imitating the motions and tactile sensitivity of the human hand to a greater or lesser extent: used in situations in which direct handling of the objects or materials involved would be dangerous or impossible.
- michael viii palaeologus — 1234–1282, Byzantine ruler 1259–82, first of the Palaeologus emperors.
- multiple virtual storage — (operating system) (MVS) Release 2 of OS/VS2, called MVS because it had multiple 16 MB virtual address spaces, in contrast to SVS. MVS ran on the IBM 390 series mainframes. It became MVS/SP, then MVS/XA (with 31-bit addressing) and then MVS/ESA. MVS/Open Edition (MVS/OE), aimed at the growing open systems market, added TCP/IP and Unix support in an MVS address space, allowing users to run IBM, CICS-type applications, batch applications and Unix. MVS/ESA was repackaged as OS/390 as a marketing exercise but it's basically the same thing. Version: 5.1.
- multiple-valued function — function (def 4b).
- 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.
- pre-emptive multitasking — (operating system, parallel) A type of multitasking where the scheduler can interrupt and suspend ("swap out") the currently running task in order to start or continue running ("swap in") another task. The tasks under pre-emptive multitasking can be written as though they were the only task and the scheduler decides when to swap them. The scheduler must ensure that when swapping tasks, sufficient state is saved and restored that tasks do not interfere. The length of time for which a process runs is known as its "time slice" and may depend on the task's priority or its use of resources such as memory and I/O. This contrasts with cooperative multitasking where each task must include calls to allow it to be descheduled periodically.
- 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
- public access television — television in which local producers or individuals can participate
- 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.
- repondez s'il vous plait — Répondez s'il vous plait
- revolving charge account — a charge plan offerring revolving credit.
- san joaquin valley fever — coccidioidomycosis.
- st. kitts-nevis-anguilla — a former British colony (1967–71) in the Leeward Islands, in the E West Indies: comprising St. Kitts, Nevis, Anguilla, and adjacent small islands: a member of the former West Indies Associated States.
- st.-bruno-de-montarville — a town in S Quebec, in E Canada, near Montreal.
- tuva autonomous republic — an autonomous republic in the Russian Federation in Asia: formerly an independent republic in Mongolia. 65,810 sq. mi. (170,500 sq. km). Capital: Kyzyl.
- universal life insurance — a type of insurance in which the payments of the insured are placed in an investment fund, earnings from which pay the premium on term life insurance while any remainder continues to increase the policy's value.
- ventricular fibrillation — Pathology. a cardiac arrhythmia characterized by rapid, chaotic electrical impulses to the ventricles, incomplete ventricular contractions, and resultant loss of pulse and blood pressure.
- very large crude carrier — VLCC.
- virtual home environment — (VHE) A tool for using NFS on HP UX.
- virtual software factory — (programming, tool) (VSF) A product from Systematica which allows users to develop CASE tools appropriate to any software engineering methodology.
- virtual storage extended — (operating system) (VSE, formerly DOS/VSE) is a multitasking, IBM 370-architected operating system similar to Multiple Virtual Storage (MVS). VSE run jobs in partitions rather than address spaces, and uses POWER for input/output rather than JES, but is largely similar to MVS. Subsequent VSE/ESA releases gave VSE the XA-370 channel architecture, 31-bit virtual and real storage support, and data spaces. VSE is the IBM operating system on one-third of installed IBM 4381s and a significant proportion of IBM 9370s as well. It offers transaction processing and batch processing capabilities well beyond Virtual Machine's current capabilities, and has a close affinity with MVS.
- visual component library — (programming) VCL A application framework library for Microsoft Windows and Borland Software Corp.'s Delphi and C++Builder rapid application development software. VCL was originally designed for Delphi but is now also used for C++Builder. This replaces OWL Object Windows Library as Borland's Windows C++ framework of choice. VCL encapsulates the C-based Win32 API into a much easier to use, object-oriented form. Like its direct rival, Microsoft Foundation Class Library (MFC), VCL includes classes to create Windows programs. The VCL component class can be inherited to create new VCL components, which are the building blocks of Delphi and C++Builder applications. VCL components are somewhat in competition with ActiveX controls, though a VCL wrapper can be created to make an ActiveX control seem like a VCL component.
- volume table of contents — (storage) (VTOC) /V-tock/ A special file on a disk, which contains a list of all the ordinary files on the disk and their addresses. Also called a directory. The term is used mostly with large mainframe disk drives. Storage administrators will often refer to the VTOC to obtain information on the number of files stored on a disk.
- voluntary aid detachment — (in World War I) an organization of British women volunteers who assisted in military hospitals and ambulance duties
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