25-letter words containing a, c, e, s, i, o
- diesel-electric generator — A diesel-electric generator is a piece of equipment that uses diesel as a fuel to produce electricity.
- digital signal processing — (DSP) Computer manipulation of analog signals (commonly sound or image) which have been converted to digital form (sampled).
- directory access protocol — X.500 protocol used for communication between a Directory User Agent and a Directory System Agent.
- disappear without a trace — If you say that someone or something disappears without a trace, you mean that they stop existing or stop being successful very suddenly and completely.
- discrete cosine transform — (mathematics) (DCT) A technique for expressing a waveform as a weighted sum of cosines. The DCT is central to many kinds of signal processing, especially video compression. Given data A(i), where i is an integer in the range 0 to N-1, the forward DCT (which would be used e.g. by an encoder) is: B(k) = sum A(i) cos((pi k/N) (2 i + 1)/2) i=0 to N-1 B(k) is defined for all values of the frequency-space variable k, but we only care about integer k in the range 0 to N-1. The inverse DCT (which would be used e.g. by a decoder) is: AA(i)= sum B(k) (2-delta(k-0)) cos((pi k/N)(2 i + 1)/2) k=0 to N-1 where delta(k) is the Kronecker delta. The main difference between this and a discrete Fourier transform (DFT) is that the DFT traditionally assumes that the data A(i) is periodically continued with a period of N, whereas the DCT assumes that the data is continued with its mirror image, then periodically continued with a period of 2N. Mathematically, this transform pair is exact, i.e. AA(i) == A(i), resulting in lossless coding; only when some of the coefficients are approximated does compression occur. There exist fast DCT algorithms in analogy to the Fast Fourier Transform.
- document image processing — (DIP) Storage, management and retrieval of images.
- dopamine receptor agonist — A dopamine receptor agonist is any compound that activates dopamine receptors when dopamine is not present.
- edward trowbridge collins — Edward Trowbridge ("Eddie") 1887–1951, U.S. baseball player.
- electroconvulsive therapy — the treatment of certain psychotic conditions by passing an electric current through the brain to induce coma or convulsions
- electronic funds transfer — (application, communications) (EFT, EFTS, - system) Transfer of money initiated through electronic terminal, automated teller machine, computer, telephone, or magnetic tape. In the late 1990s, this increasingly includes transfer initiated via the web. The term also applies to credit card and automated bill payments.
- electronic news gathering — the collecting of a television news story using electronic equipment, such as a portable video camera, rather than a traditional film camera
- equine infectious anaemia — a viral disease of horses, donkeys, and mules characterized by fever, anaemia, jaundice, depression, and weight loss
- european court of justice — law: international court
- examination for discovery — a pretrial meeting to disclose evidence that will be presented later
- exhaust gas recirculation — Exhaust gas recirculation is the process of mixing exhaust gas with air taken in to make sure that all fuel is burned before entering the atmosphere.
- 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?
- first and second manassas — two battles fought at Manassas Junction near a stream named Bull Run, during the American Civil War (July, 1861 and August, 1862), in both of which the Federal army was routed by the Confederates
- first generation computer — (architecture) A prototype computer based on vacuum tubes and other esoteric technologies. Chronologically, any computer designed before the mid-1950s. Examples include Howard Aiken's Mark 1 (1944), Maunchly and Eckert's ENIAC (1946), and the IAS computer.
- five nations championship — a former annual competition involving the national sides of England, France, Ireland, Scotland, and Wales; replaced by the Six Nations Championship in 2000
- flexible spending account — an account to which an employee contributes a portion of earnings to pay for certain expenses such as medical and dependent care: contributions are exempt from payroll taxes. Abbreviation: FSA.
- franked investment income — (formerly) dividends from one UK company received by another on which the paying company had paid corporation tax so that the receiving company had no corporation tax to pay: discontinued from 1999
- functional representation — representation in a governing body on the basis of social class or occupation.
- future farmers of america — a national organization of high-school students studying vocational agriculture. Abbreviation: FFA.
- genealogical relationship — the relationship that exists between languages that have developed from a single earlier language.
- general recursion theorem — (mathematics) Cantor's theorem, originally stated for ordinals, which extends inductive proof to recursive construction. The proof is by pasting together "attempts" (partial solutions).
- graphics interface format — (spelling) You mean "Graphics Interchange Format".
- greatest-integer function — the function that assigns to each real number the greatest integer less than or equal to the number. Symbol: [ x ].
- gunning transceiver logic — (electronics, hardware, integrated circuit, standard) (GTL) A standard for electrical signals in CMOS circuits used to provide higher data transfer speeds with smaller voltage swings [compared with what?]. The GTL signal swings between 0.4 volts and 1.2 volts with a reference voltage of about 0.8 volts. Only a small deviation of 0.4 volts (or thereabouts) from the reference voltage is required to switch between on and off states. Therefore, a GTL signal is said to be a low voltage swing logic signal. Gunning Transceiver Logic has several advantages. The resistive termination of a GTL signal provides a clean signalling environment [what?]. Moreover, the low terminating voltage of 1.2 volts results in reduced voltage drops across the resistive elements. GTL has low power dissipation and can operate at high frequency and causes less electromagnetic interference (EMI).
- harris semiconductor ltd. — (company) Address: Riverside Way, Camberley, Surrey, CU15 3YQ, UK. Telephone: +44 (1276) 686 886. Fax: +44 (1276) 682 323.
- homothetic transformation — similarity transformation (def 1).
- homothetic-transformation — Also called homothetic transformation. a mapping of a set by which each element in the set is mapped into a positive constant multiple of itself, the same constant being used for all elements.
- hospitalization insurance — insurance to cover, in whole or in part, the hospital bills of a subscriber or of his or her dependents.
- human embryonic stem cell — a stem cell obtained from the blastocyst of a human embryo
- human-factors engineering — an applied science that coordinates the design of devices, systems, and physical working conditions with the capacities and requirements of the worker.
- idealized instruction set — (language) (IIS) The assembly language for the Flagship parallel machine.
- immediate-release coating — An immediate-release coating is a tablet coating that breaks down immediately in the body.
- infrared data association — (standard, body) (IrDA) A non-profit trade association providing standards to ensure the quality and interoperability of infrared (IR) hardware. The association currently has a membership of over 160 companies from around the world, representing computer and telecommunications hardware, software, components and adapters. IrDA typically uses direct infrared i.e. point-to-point, line-of-sight, one-to-one communications. The standards include: IrDA Data (SIR, FIR, VFIR), IrDA Control, and AIR. Ports built to the above standards can be found in products such as PDAs, Palm devices, printers, desktop adapters, notebooks, and digital cameras.
- instrumental conditioning — conditioning (def 1).
- intercommunication system — a communication system within a building, ship, airplane, local area, etc., with a loudspeaker or receiver for listening and a microphone for speaking at each of two or more points.
- interlocking directorates — a corporate directorate that includes one or more members who serve simultaneously in the directorates of other corporations.
- intermediate vector boson — one of the three particles that are believed to transmit the weak force: the positively charged W particle, the negatively charged W particle, and the neutral Z 0 particle.
- jakob-creutzfeldt disease — Creutzfeldt-Jakob disease.
- japanese flowering cherry — any of various ornamental hybrid cherry trees developed in Japan, having white or pink blossoms and inedible fruit.
- johnniac open shop system — (language) (JOSS) An early, simple, interactive calculator language developed by Charles L. Baker at Rand in 1964. There were two versions: JOSS I and JOSS II.
- kent recursive calculator — (language) (KRC) A lazy functional language developed by David Turner in 1981, based on SASL, with pattern matching and ZF expressions. See also continental drift.
- land of the little sticks — the part of the north of Canada that lies south of the tree line but contains only stunted evergreens or dwarf deciduous trees.
- learning resources center — a library, usually in an educational institution, that includes and encourages the use of audiovisual aids and other special materials for learning in addition to books, periodicals, and the like.
- learning resources centre — a centre that provides educational equipment and material
- licensed vocational nurse — a person with specified training who has become licensed to provide vocational assistance to patients. Abbreviation: LVN.
- loosening of associations — a type of formal thought disorder characterized by shifts from one topic to another in ways that are obliquely related or completely unrelated, occurring as a common symptom of mania and schizophrenia.