22-letter words containing a, d, i, r, t, y
- absorption dynamometer — a device for measuring the torque or power of an engine in a process in which the energy supplied to the device by the engine is absorbed.
- accident and emergency — The accident and emergency is the room or department in a hospital where people who have severe injuries or sudden illness are taken for emergency treatment. The abbreviation A & E is also used.
- aerodynamic trajectory — the path of an object, as a rocket, when the air is dense enough to modify the course of flight significantly.
- annotated bibliography — list of reference works
- arseniuretted hydrogen — arsine (def 1).
- attributed file system — (storage) (AtFS) The basis of the Shape_VC toolkit. Cooperative work within projects is supported by a status model controlling visibility of version objects, locking, and "long transactions" for synchronising concurrent updates. The concept of object attributes provides a basis for storing management information with versions and passing this information between individual tools. This mechanism is useful for building integrated environments from a set of unrelated tools.
- backward combatability — (humour) /bak'w*d k*m-bat'*-bil'*-tee/ (Play on "backward compatibility") A property of hardware or software revisions in which previous protocols, formats, layouts, etc. are irrevocably discarded in favour of "new and improved" protocols, formats and layouts, leaving the previous ones not merely deprecated but actively defeated. (Too often, the old and new versions cannot definitively be distinguished, such that lingering instances of the previous ones yield crashes or other infelicitous effects, as opposed to a simple "version mismatch" message.) A backward compatible change, on the other hand, allows old versions to coexist without crashes or error messages, but too many major changes incorporating elaborate backward compatibility processing can lead to extreme software bloat. See also flag day.
- backward compatibility — (jargon) Able to share data or commands with older versions of itself, or sometimes other older systems, particularly systems it intends to supplant. Sometimes backward compatibility is limited to being able to read old data but does not extend to being able to write data in a format that can be read by old versions. For example, WordPerfect 6.0 can read WordPerfect 5.1 files, so it is backward compatible. It can be said that Perl is backward compatible with awk, because Perl was (among other things) intended to replace awk, and can, with a converter, run awk programs. See also: backward combatability. Compare: forward compatible.
- bankruptcy proceedings — the legal business of a bankruptcy case
- borderline personality — Psychiatry. a personality disorder characterized by instability in many areas, as mood, identity, self-image, and behavior, and often manifested by impulsive actions, suicide attempts, inappropriate anger, or depression.
- british library method — (algorithm) Brute force searching. According to legends circulating in the 1970s, in the British Library books are searched for by examining each book sequentially in the first shelf, then the next shelf, continuing until the book is found or the entire library has been searched. The term was referred to in a Dutch coursebook, "Inleiding In De Informatica" (Introduction to Informatics) from a course given by C.H.A. Koster and Th.A. Zoethout. This was based on a course given at the TU Berlin.
- client-centred therapy — a form of psychotherapy in which the therapist makes no attempt to interpret what the patient says but encourages him or her to develop his or her own attitudes and insights, often by questioning
- complementary medicine — the treatment, alleviation, or prevention of disease by such techniques as osteopathy, homeopathy, aromatherapy, and acupuncture, allied with attention to such factors as diet and emotional stability, which can affect a person's wellbeing
- compulsory liquidation — the liquidation of a business in order to settle its debts
- coronary heart disease — any heart disorder caused by disease of the coronary arteries
- curly-coated retriever — a strongly built variety of retriever with a tightly curled black or liver-coloured coat
- cylindrical coordinate — Usually, cylindrical coordinates. a member of a system of coordinates for locating a point in space by its polar coordinates and its perpendicular distance to the polar plane.
- dalton's atomic theory — the theory that matter consists of indivisible particles called atoms and that atoms of a given element are all identical and can neither be created nor destroyed. Compounds are formed by combination of atoms in simple ratios to give compound atoms (molecules). The theory was the basis of modern chemistry
- dehydroepiandrosterone — the most abundant steroid in the human body, that is involved in the manufacture of testosterone, oestrogen, progesterone, and corticosterone
- delaunay triangulation — (mathematics, graphics) (After B. Delaunay) For a set S of points in the Euclidean plane, the unique triangulation DT(S) of S such that no point in S is inside the circumcircle of any triangle in DT(S). DT(S) is the dual of the voronoi diagram of S.
- delayed-action shutter — a camera shutter that opens after an interval set by the photographer
- dicyclopentadienyliron — ferrocene (def 1).
- diethylbarbituric acid — barbital
- digital control system — (systems) (DCS) A digital computer used for real-time control of a dynamic system, usually in an industrial environment, possibly as part of a Supervisory Control and Data Acquisition (SCADA) system. A DCS samples feedback from the system under control and modifies the control signals in an attempt to achieve some desired behaviour. Analysis of such digital-analogue feedback systems can involve mathematical methods such as difference equations, Laplace transforms, z transfer functions, state space models and state transition matrices.
- directed acyclic graph — (DAG) A directed graph containing no cycles. This means that if there is a route from node A to node B then there is no way back.
- directory system agent — (DSA) The software that provides the X.500 Directory Service for a portion of the directory information base. Generally, each DSA is responsible for the directory information for a single organisation or organisational unit.
- disciplinary committee — a committee charged with examining alleged breaches of discipline within an organization, profession, etc and adjudicating on them
- disposable soma theory — the theory that ageing is caused by the body having increasingly fewer resources to allocate towards repairing wear and damage to tissues
- draft-quality printing — low-quality, high-speed output in printed form from a printer linked to a word processor
- endotrophic mycorrhiza — the most widespread and common type of mycorrhiza, in which the fungus lives within the cells of the roots of the plant
- entertainment industry — show business
- genitourinary medicine — the branch of medical science concerned with the study and treatment of diseases of the genital and urinary organs, esp sexually transmitted diseases
- get a word in edgeways — to succeed in interrupting a conversation in which someone else is talking incessantly
- graphical display unit — an output device incorporating a cathode ray tube on which both line drawings and text can be displayed. It is usually used in conjunction with a light pen to input or reposition data
- in one's birthday suit — naked; nude
- in your wildest dreams — If you say that you could not imagine a particular thing in your wildest dreams, you are emphasizing that you think it is extremely strange or unlikely.
- industrial archaeology — the study of past industrial machines, works, etc
- industrialized country — a country characterized by industry on an extensive scale
- intermediate frequency — the middle frequency in a superheterodyne receiver, at which most of the amplification takes place. Abbreviation: if.
- ketamine hydrochloride — a powerful anesthetic, C13H16ClNO·HCl, used in surgery
- lady's not for burning — a verse play (1948) by Christopher Fry.
- liberal democrat party — The Liberal Democrat Party is the third largest political party in Britain and the main centre party. It believes in improving the constitution and the voting system and in providing good welfare services.
- liquid crystal display — (hardware) (LCD) An electro-optical device used to display digits, characters or images, commonly used in digital watches, calculators, and portable computers. The heart of the liquid crystal display is a piece of liquid crystal material placed between a pair of transparent electrodes. The liquid crystal changes the phase of the light passing through it and this phase change can be controlled by the voltage applied between the electrodes. If such a unit is placed between a pair of plane polariser plates then light can pass through it only if the correct voltage is applied. Liquid crystal displays are formed by integrating a number of such cells, or more usually, by using a single liquid crystal plate and a pattern of electrodes. The simplest kind of liquid crystal displays, those used in digital watches and calculators, contain a common electrode plane covering one side and a pattern of electrodes on the other. These electrodes can be individually controlled to produce the appropriate display. Computer displays, however, require far too many pixels (typically between 50,000 and several millions) to make this scheme, in particular its wiring, feasible. The electrodes are therefore replaced by a number of row electrodes on one side and column electrodes on the other. By applying voltage to one row and several columns the pixels at the intersections are set. The pixels being set one row after the other, in passive matrix displays the number of rows is limited by the ratio of the setting and fading times. In the setup described above (known as "twisted nematic") the number of rows is limited to about 20. Using an alternative "supertwisted nematic" setup VGA quality displays (480 rows) can be easily built. As of 1995 most notebook computers used this technique. Fading can be slowed by putting an active element, such as a transistor, on the top of each pixel. This "remembers" the setting of that pixel. These active matrix displays are of much better quality (as good as CRTs) but are much more expensive than the passive matrix displays. LCDs are slimmer, lighter and consume less power than the previous dominant display type, the cathode ray tube, hence their importance for portable computers.
- little lord fauntleroy — (italics) a children's novel (1886) by Frances H. Burnett.
- manufacturing industry — the industry of manufacturing goods from raw materials
- martin luther king day — the third Monday in January, a legal holiday in some states of the U.S., commemorating the birthday (Jan. 15) of Martin Luther King, Jr.
- nickel-cadmium battery — a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
- nitrohydrochloric acid — aqua regia.
- non-euclidean geometry — geometry based upon one or more postulates that differ from those of Euclid, especially from the postulate that only one line may be drawn through a given point parallel to a given line.
- paroxysmal tachycardia — tachycardia that begins and subsides suddenly.
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