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18-letter words containing a, g, i

  • diagnostic testing — Diagnostic testing is the testing of a vehicle, or one of its systems or parts, in order to identify why it is not working properly.
  • dictionary catalog — a library catalog having all its entries, including authors, titles, subjects, etc., in one general alphabetical sequence.
  • dielectric heating — the heating of a nonconducting substance caused by dielectric loss when the material is placed in a variable electric field.
  • digital audio tape — a cassette containing magnetic tape used for high-fidelity digital recording or playback of audio. Abbreviation: DAT.
  • digital humanities — (used with a singular verb) the study of literature, philosophy, etc., as facilitated by computer technology or digital media: Digital humanities uses data analysis to find patterns in large bodies of text. the set of methodologies used in such scholarship.
  • digital multimeter — (electronics)   (DMM) A peice of test equipment used for measuring voltage, current, resistance, and possibly other electircal quantities and displaying the value in number form.
  • digital signatures — digital signature
  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • digital technology — the branch of scientific or engineering knowledge that deals with the creation and practical use of digital or computerized devices, methods, systems, etc.: advances in digital technology.
  • digital television — a television broadcasting technology in which signals are transmitted as a sequence of binary numbers.
  • digital video disc — Digital Versatile Disc
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
  • discharge printing — a fabric-printing method in which the material is dyed and then certain areas are discharged so as to permit the original hue or its color replacement to act as a pattern against the colored ground.
  • dishwashing liquid — Dishwashing liquid is a thick soapy liquid which you add to hot water to clean dirty dishes.
  • distinguishability — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
  • distracted driving — driving a vehicle while engaging in an activity that has the potential to distract the driver from the task of driving: Bans on cell phone use in cars will help to reduce the dangers of distracted driving.
  • division algorithm — the theorem that an integer can be written as the sum of the product of two integers, one a given positive integer, added to a positive integer smaller than the given positive integer. Compare Euclidean algorithm.
  • dna fingerprinting — the use of a DNA probe for the identification of an individual, as for the matching of genes from a forensic sample with those of a criminal suspect.
  • do a roaring trade — If someone does a roaring trade in a type of goods, they sell a lot of them.
  • do not give a hoot — If you say that you don't give a hoot or don't care two hoots about something, you are emphasizing that you do not care at all about it.
  • domain engineering — (systems analysis)   1. The development and evolution of domain specific knowledge and artifacts to support the development and evolution of systems in the domain. Domain engineering includes engineering of domain models, components, methods and tools and may also include asset management. 2. The engineering process of analysing and modelling a domain, designing and modelling a generic solution architecture for a product line within that domain, implementing and using reusable components of that architecture and maintaining and evolving the domain, architecture and implementation models. 3. A reuse-based approach to defining the scope (domain definition), specifying the structure (domain architecture) and building the Assets (requirements, designs, software code, documentation) for a class of systems, subsystems or applications. Domain engineering can include domain definition, domain analysis, developing the domain architecture domain implementation.
  • dragline excavator — a power shovel that operates by being dragged by cables at the end of an arm or jib: used for quarrying, opencast mining, etc
  • dramatic monologue — a poetic form in which a single character, addressing a silent auditor at a critical moment, reveals himself or herself and the dramatic situation.
  • dressing table set — a set including a hairbrush, mirror and comb, often with silver backs
  • drinking chocolate — sweetened cocoa powder
  • ducking and diving — evasiveness
  • dwarf storage unit — (humour)   (DSU) An IBM term for a cupboard.
  • dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
  • earnings per share — the net income of a corporation divided by the total number of shares of its common stock outstanding at a given time. Abbreviation: EPS.
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
  • economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • electoral register — An electoral register is an official list of all the people who have the right to vote in an election.
  • electric discharge — electricity emitted
  • electrocardiograms — Plural form of electrocardiogram.
  • electrocardiograph — A machine used for electrocardiography.
  • electrocorticogram — a record of brain waves obtained by placing electrodes directly on the surface of the exposed cerebral cortex
  • electronic banking — the transfer of money between financial institutions through an exchange of electronic signals over a network
  • electronic tagging — Electronic tagging is a system in which a criminal or suspected criminal has an electronic device attached to them which enables the police to know if they leave a particular area.
  • electroretinograms — Plural form of electroretinogram.
  • endangered species — animal, plant becoming extinct
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • ethnomusicological — Relating to or pertaining to ethnomusicology.
  • ethnopsychological — Relating to ethnopsychology.
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • evolution strategy — (ES) A kind of evolutionary algorithm where individuals (potential solutions) are encoded by a set of real-valued "object variables" (the individual's "genome"). For each object variable an individual also has a "strategy variable" which determines the degree of mutation to be applied to the corresponding object variable. The strategy variables also mutate, allowing the rate of mutation of the object variables to vary. An ES is characterised by the population size, the number of offspring produced in each generation and whether the new population is selected from parents and offspring or only from the offspring. ES were invented in 1963 by Ingo Rechenberg, Hans-Paul Schwefel at the Technical University of Berlin (TUB) while searching for the optimal shapes of bodies in a flow.
  • exercise programme — a programme detailing a range of physical exercises and the amount of time each exercise should be performed, used especially in gymnasiums, where they are typically tailored to individuals' needs
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