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18-letter words containing a, r, o, n, i

  • distribution class — form class
  • distribution ratio — the ratio of concentrations of a solute distributed between two immiscible solvents in contact with each other, as iodine in water and chloroform
  • divine inspiration — insight provided by higher power
  • 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.
  • division of labour — a system of organizing the manufacture of an article in a series of separate specialized operations, each of which is carried out by a different worker or group of workers
  • do a roaring trade — If someone does a roaring trade in a type of goods, they sell a lot of them.
  • doctype decoration — (humour)   When a web author adds a doctype declaration but doesn't bother to write valid HTML.
  • 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.
  • domain name server — (spelling)   Domain Name System.
  • dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
  • donor insemination — a process which involves using sperm which has been voluntarily given for use in the insemination of another person
  • dot matrix printer — (hardware, printer)   A kind of printer with a vertical column of up to 48 small closely packed needles or "pins" each of which can be individually forced forward to press an ink ribbon against the paper. The print head is repeatedly scanned across the page and different combinations of needles activated at each point. Dot matrix printers are noisy compared to non-impact printers.
  • dot-matrix printer — device: prints using matrix dots
  • 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
  • drainpipe trousers — trousers with very narrow legs
  • 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.
  • drinking chocolate — sweetened cocoa powder
  • driver's education — high-school driving classes
  • dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
  • dwarf storage unit — (humour)   (DSU) An IBM term for a cupboard.
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • ecma international — (body)   (Formerly European Computer Manufacturers Association) An industry association founded in 1961 and dedicated to the standardisation of information and communication systems. ECMA edits standards and technical reports. All ECMA publications are available free of charge. The best known ECMA standard is ECMA 262, defining the scripting language ECMAScript.
  • 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.
  • economic indicator — business statistic
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • eleanor of castile — 1246–90, Spanish wife of Edward I of England. Eleanor Crosses were erected at each place at which her body rested between Nottingham, where she died, and London, where she is buried
  • electric potential — the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field
  • electrocyclization — (organic chemistry) an electrocyclic reaction.
  • electrodesiccation — The drying of tissue, and the prevention of bleeding, using a high-frequency electric current.
  • electronic banking — the transfer of money between financial institutions through an exchange of electronic signals over a network
  • electronic mailbox — a device used to store electronic mail
  • 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.
  • electronic warfare — the military use of electronics to prevent or reduce an enemy's effective use and to protect friendly use of electromagnetic radiation equipment
  • electroretinograms — Plural form of electroretinogram.
  • electrostatic lens — an electron lens consisting of a system of metal electrodes, the electrostatic field of which focuses the charged particles
  • electrostatic unit — any unit that belongs to a system of electrical cgs units in which the electric constant is given the value of unity and is taken as a pure number
  • elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
  • embryonic membrane — any of several living membranes enclosing or closely associated with the developing vertebrate embryo, as the allantois, amnion, yolk sac, etc.
  • emotional literacy — the ability to deal with one's emotions and recognize their causes
  • enforcement action — action by a body or organization, esp a financial one, to make sure that its rules are being followed
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • equinoctial circle — celestial equator
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • eraser stains code — (humour, programming)   Code that has been refactored many times, leaving swaths of legacy code and design; like paper that has been written on and erased so many times that the pencil marks are no longer the problem - the large greasy stain is.
  • european community — an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
  • evapotranspiration — The process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
  • 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.
  • examination script — a script with answers written on it by an examination candidate taking a written examination
  • extermination camp — a camp where people are imprisoned and killed
  • fabric conditioner — a product used when washing clothes to make them feel softer
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