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18-letter words containing a, t, i

  • custodial sentence — a sentence given by a court that involves a term of imprisonment
  • customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
  • customs and excise — Customs and Excise is a British government department which is responsible for collecting taxes on imported and exported goods. Compare Customs Service.
  • cytoarchitectonics — Cytoarchitecture.
  • daisywheel printer — (printer)   A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
  • danish west indies — the former possession of Denmark in the W Lesser Antilles, sold to the US in 1917
  • data communication — electronic transmission of information that has been encoded for storage and processing by computers.
  • data flow analysis — (programming)   A process to discover the dependencies between different data items manipulated by a program. The order of execution in a data driven language is determined solely by the data dependencies. For example, given the equations 1. X = A + B 2. B = 2 + 2 3. A = 3 + 4 a data-flow analysis would find that 2 and 3 must be evaluated before 1. Since there are no data dependencies between 2 and 3, they may be evaluated in any order, including in parallel. This technique is implemented in hardware in some pipelined processors with multiple functional units. It allows instructions to be executed as soon as their inputs are available, independent of the original program order.
  • daytime television — television broadcasts that are shown during the daytime rather than in the evening
  • de bruijn notation — (language)   A variation of lambda notation for specifying functions using numbers instead of names to refer to formal parameters. A reference to a formal parameter is a number which gives the number of lambdas (written as \ here) between the reference and the lambda which binds the parameter. E.g. the function \ f . \ x . f x would be written \ . \ . 1 0. The 0 refers to the innermost lambda, the 1 to the next etc. The chief advantage of this notation is that it avoids the possibility of name capture and removes the need for alpha conversion.
  • de-differentiation — a process by which structures or behaviors that were specialized for a specific function lose their specialization and become simplified or generalized.
  • de-objectification — to present as an object, especially of sight, touch, or other physical sense; make objective; externalize.
  • dead-letter office — an office where undeliverable letters were taken for storage
  • dead-stick landing — Aeronautics, Aerospace. a landing of an airplane or space vehicle with the engine cut off.
  • deadweight tonnage — the capacity in long tons of cargo, passengers, fuel, stores, etc. (deadweight tons) of a vessel: the difference between the loaded and light displacement tonnage of the vessel.
  • deanthropomorphism — the ridding of philosophy or religion of anthropomorphic beliefs and doctrines.
  • debt consolidation — the process of taking out a new loan (often secured on one's property) in order to pay off a number of existing debts
  • dechristianization — The act of dechristianizing; the systematic removal of Christianity or Christian elements.
  • declaration of war — a formal statement made by one country to another that a state of war now exists between them
  • decompartmentalize — to remove excessive compartmentalization from (an organization)
  • deductive database — (database)   A combination of a conventional database containing facts, a knowledge base containing rules, and an inference engine which allows the derivation of information implied by the facts and rules. Commonly, the knowledge base is expressed in a subset of first-order logic and either a SLDNF or Datalog inference engine is used.
  • deferred liability — income received in advance and carried forward as a liability until the associated goods, services, or benefits are delivered
  • deficiency account — an account summarizing the financial condition of an individual or company in danger of bankruptcy.
  • deficiency payment — a payment made to a commodity producer that represents the difference between the market price and the guaranteed price
  • definitive plumage — the plumage of a bird that, once attained, does not change significantly in color or pattern for the rest of the bird's life.
  • deinstitutionalize — to discharge (a patient) as from a mental institution
  • demand liabilities — the assets of a financial institution that are demandable by depositors
  • demilitarized zone — an area from which military presence or function has been removed
  • democratic deficit — any situation in which there is believed to be a lack of democratic accountability and control over the decision-making process
  • dependent variable — a variable in a mathematical equation or statement whose value depends on that taken on by the independent variable
  • depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
  • depth-first search — (algorithm)   A graph search algorithm which extends the current path as far as possible before backtracking to the last choice point and trying the next alternative path. Depth-first search may fail to find a solution if it enters a cycle in the graph. This can be avoided if we never extend a path to a node which it already contains. Opposite of breadth first search. See also iterative deepening.
  • desalination plant — a factory where salt is removed from salt water in order to make the water suitable for drinking and irrigation
  • descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
  • destruct mechanism — a mechanism that causes the destruction of a rocket or missile when activated
  • detective sergeant — a police officer who investigates crime and who ranks above a detective constable but below a detective inspector
  • determinate growth — growth of a plant stem that is terminated early by the formation of a bud
  • devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
  • dia de los muertos — Day of the Dead.
  • diabetes insipidus — a disorder of the pituitary gland causing excessive thirst and excretion of large quantities of dilute urine
  • 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.
  • dialytic telescope — a type of achromatic telescope with a second correcting lens
  • diamondback turtle — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
  • diastereoisomerism — (chemistry) Any form of stereoisomerism other than enantiomerism.
  • diatomaceous earth — an unconsolidated form of diatomite
  • dicalcium silicate — a component of cement, 2CaO⋅SiO 2 , also used to neutralize acid soils.
  • dichloracetic acid — a highly corrosive acid. Formula: C2H2Cl2O2
  • 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.
  • dietary supplement — a substance taken in addition to what you eat in order to promote health
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