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18-letter words containing a, b, u

  • 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.
  • 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
  • diabetes insipidus — a disorder of the pituitary gland causing excessive thirst and excretion of large quantities of dilute urine
  • 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
  • distinguishability — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
  • 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
  • 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
  • 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.
  • double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
  • double-page spread — two pages treated as one in a publication, with images or text extending across the binding
  • engelbart, douglas — Douglas Engelbart
  • epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
  • established church — a Church that is officially recognized as a national institution, esp the Church of England
  • executable content — (operating system)   Executable programs sent by one computer to another via a network. For example a Java applet is executable content. Usage: rare.
  • fascicular cambium — cambium that develops within the vascular bundles, producing secondary xylem and phloem.
  • fibonacci sequence — (mathematics)   The infinite sequence of numbers beginning 1, 1, 2, 3, 5, 8, 13, ... in which each term is the sum of the two terms preceding it. The ratio of successive Fibonacci terms tends to the golden ratio, namely (1 + sqrt 5)/2.
  • fibrocartilaginous — a type of cartilage having a large number of fibers.
  • flash butt welding — a method of welding metal edge-to-edge with a powerful electric flash followed by the application of pressure.
  • football supporter — a person who supports a particular football team
  • furnishing fabrics — fabrics used to make and cover furniture
  • gabriele dannunzio — Gabriele [Italian gah-bree-e-le] /Italian ˌgɑ briˈɛ lɛ/ (Show IPA), (Duca Minimo) 1863–1938, Italian soldier, novelist, and poet.
  • gamblers anonymous — an organization that holds group meetings to help people who are addicted to gambling
  • gamma distribution — a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
  • gas-discharge tube — any tube in which an electric discharge takes place through a gas
  • gettysburg address — the notable short speech made by President Lincoln on November 19, 1863, at the dedication of the national cemetery at Gettysburg, Pa.
  • giuseppe garibaldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1807–82, Italian patriot and general.
  • grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
  • handlebar mustache — A handlebar mustache is a long thick mustache with curled ends.
  • have a thing about — If you have a thing about someone or something, you have very strong feelings about them.
  • have money to burn — to have more money than one needs, so that some can be spent foolishly
  • hawksbill (turtle) — a medium-sized marine turtle (Eretmochelys imbricata, family Cheloniidae) having a hawklike beak and a horny shell from which tortoise shell is obtained
  • heat of combustion — the heat evolved when one mole of a substance is burnt in oxygen at constant volume
  • hebdomadal council — the governing council or senate of Oxford University
  • highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
  • honourable mention — If something that you do in a competition is given an honourable mention, it receives special praise from the judges although it does not actually win a prize.
  • hydrofluorocarbons — Plural form of hydrofluorocarbon.
  • hyperbilirubinemia — an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias.
  • ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
  • imamu amiri baraka — Imamu Amiri [ih-mah-moo uh-meer-ee] /ɪˈmɑ mu əˈmɪər i/ (Show IPA), (Everett LeRoi Jones) 1934–2014, U.S. dramatist, poet, and political activist.
  • incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
  • incremental backup — (operating system)   A kind of backup that copies all files which have changed since the date of the previous backup. The first backup of a file system should include all files - a "full backup". Call this level 0. The next backup could also be a full level 0 backup but it is usually much quicker to do a level 1 backup which will include only those files which have changed since the level 0 backup. Together the level 0 and level 1 backups will include the latest version of every file. Level 1 backups can be made until, say, the backup tape is nearly full, after which we can switch to level 2. Each level includes those files which have changed since the last backup at a lower level. The more levels you use, the longer it will take to restore the latest version of a file (or all files) if you don't know when it was last modified. Compare differential backup.
  • indecent behaviour — the offence of committing indecent acts
  • individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
  • indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
  • information bureau — an office where you can go to get information
  • informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
  • input/output table — a table of all the inputs and outputs of the industries of an economy
  • insurable interest — a financial or other interest in the life or property covered by an insurance contract, without which the contract cannot be enforced
  • irregular variable — a variable star whose brightness variation is irregular.
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