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13-letter words containing h, i, d, e, o, r

  • domain theory — (theory)   A branch of mathematics introduced by Dana Scott in 1970 as a mathematical theory of programming languages, and for nearly a quarter of a century developed almost exclusively in connection with denotational semantics in computer science. In denotational semantics of programming languages, the meaning of a program is taken to be an element of a domain. A domain is a mathematical structure consisting of a set of values (or "points") and an ordering relation, <= on those values. Domain theory is the study of such structures. ("<=" is written in LaTeX as \subseteq) Different domains correspond to the different types of object with which a program deals. In a language containing functions, we might have a domain X -> Y which is the set of functions from domain X to domain Y with the ordering f <= g iff for all x in X, f x <= g x. In the pure lambda-calculus all objects are functions or applications of functions to other functions. To represent the meaning of such programs, we must solve the recursive equation over domains, D = D -> D which states that domain D is (isomorphic to) some function space from D to itself. I.e. it is a fixed point D = F(D) for some operator F that takes a domain D to D -> D. The equivalent equation has no non-trivial solution in set theory. There are many definitions of domains, with different properties and suitable for different purposes. One commonly used definition is that of Scott domains, often simply called domains, which are omega-algebraic, consistently complete CPOs. There are domain-theoretic computational models in other branches of mathematics including dynamical systems, fractals, measure theory, integration theory, probability theory, and stochastic processes. See also abstract interpretation, bottom, pointed domain.
  • domino theory — a theory that if one country is taken over by an expansionist, especially Communist, neighbor, party, or the like, the nearby nations will be taken over one after another.
  • doppler shift — (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes.
  • dorothy dixer — a parliamentary question asked by a member of the government so that the minister may give a prepared answer
  • downhill race — a competitive event in which skiers are timed in a downhill run
  • downrightness — The personal quality of being straightforward and direct in one's manner.
  • drive-through — the act of driving through a specified locality or place, especially driving into a place of business, completing a transaction from one's car, and driving out: a quick drive-through of Beverly Hills; The bank has outside tellers' windows to accept deposits by drive-through.
  • drongo shrike — any insectivorous songbird of the family Dicruridae, of the Old World tropics, having a glossy black plumage, a forked tail, and a stout bill
  • drop shipment — a shipment of goods made directly from the manufacturer to the retailer or consumer but billed through the wholesaler or distributor.
  • dryopithecine — (sometimes initial capital letter) an extinct ape of the genus Dryopithecus, known from Old World Miocene fossils.
  • dun laoghaire — a seaport in E Republic of Ireland, near Dublin.
  • dysmenorrheic — Of, pertaining to, or experiencing dysmenorrhea.
  • endobronchial — (anatomy) Pertaining to the lining of the bronchi.
  • epitrochoidal — Being or relating to an epitrochoid.
  • fluorohydride — (inorganic chemistry) An compound formed by the addition of the elements of hydrogen fluoride.
  • foolhardiness — recklessly or thoughtlessly bold; foolishly rash or venturesome.
  • for the birds — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.
  • foreshadowing — to show or indicate beforehand; prefigure: Political upheavals foreshadowed war.
  • foresightedly — In a foresighted manner.
  • fort sheridan — a military reservation in NE Illinois, on W shore of Lake Michigan S of Lake Forest.
  • freight depot — (on a rail network) a place where freight is stored while awaiting onward transport
  • french window — a pair of casement windows extending to the floor and serving as portals, especially from a room to an outside porch or terrace.
  • friction head — (in a hydraulic system) the part of a head of water or of another liquid that represents the energy that the system dissipates through friction with the sides of conduits or channels and through heating from turbulent flow.
  • geohydrologic — relating to geohydrology
  • gheorghiu-dej — Gheorghe [gyawr-ge] /ˈgyɔr gɛ/ (Show IPA), 1901–65, Romanian statesman: premier 1952–55; president of the state council 1961–65.
  • ghiordes knot — a hand-tied knot, used in rug weaving, in which the parallel ends of looped yarn alternate with two threads of warp, producing an uneven pile effect.
  • gold chloride — a yellow to red, water-soluble compound, AuCl 3 , used chiefly in photography, gilding ceramic ware and glass, and in the manufacture of purple of Cassius.
  • golden shiner — a small, silvery freshwater minnow, Notemigonus crysoleucas, native to eastern North America and introduced into western North America: often used as live bait in sport fishing.
  • good behavior — satisfactory, proper, or polite conduct.
  • good-neighbor — characterized by friendly political relations and mutual aid between countries.
  • haemodialyzer — a piece of equipment used in haemodialysis to screen the blood to remove unwanted substances
  • heading sword — a sword used for beheading.
  • heaven forbid — You say 'Heaven forbid!' to emphasize that you very much hope that something will not happen.
  • heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
  • hemichordates — Plural form of hemichordate.
  • hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
  • herefordshire — a former county in W England, now part of Hereford and Worscester.
  • hermaphrodism — the condition of being a hermaphrodite.
  • hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
  • hero sandwich — a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.
  • herod agrippa — (Julius Agrippa) c10 b.c.–a.d. 44, king of Judea 41–44 (grandson of Herod the Great).
  • herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
  • heroin addict — sb dependent on heroin
  • hertfordshire — a county in SE England. 631 sq. mi. (1635 sq. km).
  • heterodimeric — (chemistry) produced from two similar but different monomers.
  • high-coloured — (of the complexion) deep red or purplish; florid
  • holiday-maker — vacationer.
  • holidaymakers — Plural form of holidaymaker.
  • home delivery — delivery to one's home
  • horned lizard — an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales.
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