25-letter words containing a, c, y, l, o, i
- a false sense of security — If something gives you a false sense of security, it makes you believe that you are safe when you are not.
- acriflavine hydrochloride — a red crystalline water-soluble solid substance obtained from acriflavine and used as an antiseptic
- anticipatory assimilation — assimilation in which a following sound has an effect on a preceding one, as in pronouncing have in have to as [haf] /hæf/ (Show IPA) influenced by the voiceless (t) in to.
- biochemical oxygen demand — a measure of the organic pollution of water: the amount of oxygen, in mg per litre of water, absorbed by a sample kept at 20°C for five days
- canyonlands national park — a national park in SE Utah, at the junction of the Colorado and Green rivers: site of geologic interest. 527 sq. mi. (1366 sq. km).
- capability maturity model — (software) (CMM) The Software Engineering Institute's model of software engineering that specifies five levels of maturity of the processes of a software organisation. CMM offers a framework for evolutionary process improvement. Originally applied to software development (SE-CMM), it has been expanded to cover other areas including Human Resources and Software Acquitition. The levels - focii - and key process areas are: Level 1 Initial - Heroes - None. Level 2 Repeatable - Project Management - Software Project Planning, Software Project Tracking and Oversight, Software Subcontract Management, Software Quality Assurance, Software Configuration Management, Requirements Management. Level 3 Defined - Engineering Process - Organisation Process Focus, Organisation Process Definition, Peer Reviews, Training Program, Inter-group Coordination, Software Product Engineering, Integrated Software Management. Level 4 Managed - Product and Process Quality - Software Quality Management, Quantitative Process Management. Level 5 Optimising - Continuous Improvement - Process Change Management, Technology Change Management, Defect Prevention.
- characteristic polynomial — an expression obtained from a given matrix by taking the determinant of the difference between the matrix and an arbitrary variable times the identity matrix.
- coefficient of elasticity — modulus of elasticity.
- colony-stimulating factor — any of a number of substances, secreted by the bone marrow, that cause stem cells to proliferate and differentiate, forming colonies of specific blood cells. Synthetic forms are being tested for their ability to reduce the toxic effects of chemotherapy
- complementarity principle — the principle that experiments on physical systems of atomic size or smaller, as electrons or photons, can exhibit either particle or wave behavior but not both simultaneously.
- consolation of philosophy — Latin De Consolatione Philosophiae. a philosophical work (a.d. 523?) by Boethius.
- constant angular velocity — (storage) (CAV) One of the two schemes for controlling the rate of rotation of the disk in a disk drive. Constant angular velocity keeps the rate of rotation constant. This means that the linear velocity of the disk under the head is larger when reading or writing the outer tracks. This in turn implies either a variation in the data rate to and from the heads or the bits per unit length along the track. The alternative, constant linear velocity, requires the rate of rotation of the disk to accelerate and decelerate according to the radial postion of the heads, increasing the energy use and vibration.
- constitutional psychology — a school of thought postulating that the personality of an individual is dependent on the type of his physique (somatotype)
- constructional homonymity — the property of a string of morphemes that is susceptible of two or more syntactic analyses, as in Flying planes can be dangerous, planes may be either the object of flying or the subject of can.
- copyright deposit library — one of six libraries legally entitled to receive a gratis copy of every book published in the United Kingdom: the British Library, Bodleian, Cambridge University, Trinity College in Dublin, Scottish National Library, and National Library of Wales
- crude oil pyrolysis plant — A crude oil pyrolysis plant is equipment used for converting waste and poor fuel to a better product by pyrolysis (= the use of heat to decompose organic material).
- data encryption algorithm — (DEA) An ANSI standard defined in ANSI X3.92-1981. It is identical to the Data Encryption Standard (DES).
- declaration of bankruptcy — a formal statement made by a company or individual to announce that they are bankrupt
- directory access protocol — X.500 protocol used for communication between a Directory User Agent and a Directory System Agent.
- dual tone multi frequency — (communications) (DTMF, or "touch-tone") A method used by the telephone system to communicate the keys pressed when dialling. Pressing a key on the phone's keypad generates two simultaneous tones, one for the row and one for the column. These are decoded by the exchange to determine which key was pressed.
- electroconvulsive therapy — the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions
- exterior gateway protocol — (EGP) A protocol which distributes routing information to the routers which connect autonomous systems. The term "gateway" is historical, and "router" is currently the preferred term. There is also a routing protocol called EGP defined in STD 18, RFC 904. See also Border Gateway Protocol, Interior Gateway Protocol.
- fallacy of many questions — the rhetorical trick of asking a question that cannot be answered without admitting a presupposition that may be false, as have you stopped beating your wife?
- federal capital territory — former name of Australian Capital Territory.
- genetically modified food — a food that contains ingredients made from genetically modified plants or animals
- human embryonic stem cell — a stem cell obtained from the blastocyst of a human embryo
- interior gateway protocol — (IGP) An Internet protocol which distributes routing information to the routers within an autonomous system. The term "gateway" is historical, "router" is currently the preferred term. See also Exterior Gateway Protocol, Open Shortest Path First, Routing Information Protocol.
- japanese flowering cherry — any of various ornamental hybrid cherry trees developed in Japan, having white or pink blossoms and inedible fruit.
- limited liability company — a company which operates with limited liability
- local education authority — a body that is responsible for education in a particular area
- metal-free phthalocyanine — phthalocyanine (def 1).
- methylrosaniline chloride — gentian violet.
- miguel hidalgo y costilla — Miguel [mee-gel] /miˈgɛl/ (Show IPA), 1753–1811, Mexican priest, patriot, and revolutionist.
- minimal brain dysfunction — (no longer in technical use) attention deficit disorder.
- national advanced systems — (company) (NAS) A company, previously known as ITEL, that made IBM plug-compatible hardware and was bought by Hitachi.
- national security council — the council, composed of the president, vice president, secretary of state, secretary of defense, director of the Central Intelligence Agency and the chairman of the Joint Chiefs of Staff, that determines means by which domestic, foreign, and military policy can best be integrated for safeguarding the national security. Abbreviation: NSC.
- neurocirculatory asthenia — cardiac neurosis.
- oblique circular cylinder — a cylinder generated by the revolution of a parallelogram other than a rectangle about one of its sides.
- occupational psychologist — a person who makes a study of human behaviour at work, including ergonomics, selection procedures, and the effects of stress
- organizational psychology — the study of the structure of an organization and of the ways in which the people in it interact, usually undertaken in order to improve the organization
- party political broadcast — A party political broadcast is a short broadcast on radio or television made by a political party, especially before an election. It explains their views and often criticizes other political parties.
- pci configuration utility — (tool) (PCU) A piece of software for configuring a specific PCI hardware device.
- personal injury insurance — Personal injury insurance is coverage for treatment of injuries to car accident victims, including loss of work income, accidental death, and funeral expenses.
- petropavlovsk-kamchatskiy — seaport in E Asian Russia, on Kamchatka Peninsula: pop. 210,000
- please clean my room sign — A please clean my room sign is a sign that a guest in a hotel hangs outside their room to tell the cleaner the room is available for cleaning.
- polycystic ovary syndrome — a hormonal disorder in which the Graafian follicles in the ovary fail to develop completely so that they are unable to ovulate, remaining as multiple cysts that distend the ovary. The results can include reduced fertility, obesity, and hirsutism
- polymerase chain reaction — a technique in which a known DNA sequence is synthesized at high temperatures by means of a polymerase, producing millions of copies for statistical analysis: used in DNA fingerprinting, in detecting minute quantities of cancer cells, etc.
- prices and incomes policy — voluntary or statutory regulation of the level of increases in prices and incomes
- primary domain controller — (networking) (PDC) Each Windows NT domain has a Primary Domain Controller and zero or more Backup Domain Controllers. The PDC holds the SAM database and authenticates access requests from workstations and servers in the domain.
- psychiatric social worker — (in Britain) a qualified person who works with mentally-ill people and their families, based in a psychiatric hospital, child guidance clinic, or social services department area team, and who may also be an approved social worker
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