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17-letter words containing d, t, l, s

  • fractal dimension — (mathematics)   A common type of fractal dimension is the Hausdorff-Besicovich Dimension, but there are several different ways of computing fractal dimension. Fractal dimension can be calculated by taking the limit of the quotient of the log change in object size and the log change in measurement scale, as the measurement scale approaches zero. The differences come in what is exactly meant by "object size" and what is meant by "measurement scale" and how to get an average number out of many different parts of a geometrical object. Fractal dimensions quantify the static *geometry* of an object. For example, consider a straight line. Now blow up the line by a factor of two. The line is now twice as long as before. Log 2 / Log 2 = 1, corresponding to dimension 1. Consider a square. Now blow up the square by a factor of two. The square is now 4 times as large as before (i.e. 4 original squares can be placed on the original square). Log 4 / log 2 = 2, corresponding to dimension 2 for the square. Consider a snowflake curve formed by repeatedly replacing ___ with _/\_, where each of the 4 new lines is 1/3 the length of the old line. Blowing up the snowflake curve by a factor of 3 results in a snowflake curve 4 times as large (one of the old snowflake curves can be placed on each of the 4 segments _/\_). Log 4 / log 3 = 1.261... Since the dimension 1.261 is larger than the dimension 1 of the lines making up the curve, the snowflake curve is a fractal. [sci.fractals FAQ].
  • goldbeater's skin — the prepared outside membrane of the large intestine of the ox, used by goldbeaters to lay between the leaves of the metal while they beat it into gold leaf.
  • ground angle shot — a photograph or film shot in which the lens is near the ground, usually pointing up somewhat
  • gustavus adolphus — (Gustavus Adolphus) 1778–1837, king of Sweden 1792–1809 (son of Gustavus III).
  • gustavus-adolphus — (Gustavus Adolphus) 1778–1837, king of Sweden 1792–1809 (son of Gustavus III).
  • haitian solenodon — a rare shrewlike nocturnal mammal of the Caribbean, Solenodon paradoxus, having a long hairless tail and an elongated snout: family Solenodontidae, order Insectivora (insectivores)
  • heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
  • historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
  • hit the headlines — be prominently featured in the news
  • hold all the aces — If you say that someone holds all the aces, you mean that they have all the advantages in a contest or situation.
  • hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
  • hold one's tongue — Anatomy. the usually movable organ in the floor of the mouth in humans and most vertebrates, functioning in eating, in tasting, and, in humans, in speaking.
  • hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
  • holistic medicine — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
  • homeland security — national defence
  • hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
  • household effects — domestic belongings
  • how the land lies — the prevailing conditions or state of affairs
  • hypsilophodontids — Plural form of hypsilophodontid.
  • i wouldn't say no — You use 'I wouldn't say no' to indicate that you would like something, especially something that has just been offered to you.
  • identity politics — political activity or movements based on or catering to the cultural, ethnic, gender, racial, religious, or social interests that characterize a group identity.
  • idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
  • in the wilderness — If politicians or other well-known people spend time in the wilderness, they are not in an influential position or very active in their profession for that time.
  • incandescent lamp — a lamp that emits light due to the glowing of a heated material, especially the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it.
  • indefatigableness — The state of being indefatigable.
  • indestructibility — not destructible; that cannot be destroyed.
  • indistinguishable — not distinguishable.
  • indistinguishably — In an indistinguishable manner; so that separate components or differences cannot be discerned.
  • individualisation — Alternative spelling of individualization.
  • industrial action — job action.
  • industrial design — the art that deals with the design problems of manufactured objects, including problems of designing such objects with consideration for available materials and means of production, of designing packages, bottles, etc., for manufactured goods, and of graphic design for manufactured objects, packages, etc.
  • industrial estate — industrial park.
  • industrial injury — an injury sustained by an employee of an industrial company during the course of their work
  • industrial school — a school for teaching one or more branches of industry; trade or vocational school.
  • industrial unrest — business: among employees
  • industrialisation — Alternative spelling of industrialization.
  • industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
  • institutionalised — to make institutional.
  • institutionalized — to make institutional.
  • insulin-dependent — of or relating to the type of diabetes that mainly affects young people
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
  • interdental brush — a small brush that is used to clean between the teeth
  • interdisciplinary — combining or involving two or more academic disciplines or fields of study: The economics and history departments are offering an interdisciplinary seminar on Asia.
  • island of the sun — Sicily: the island where Helius kept his oxen.
  • jurisprudentially — In terms of jurisprudence.
  • juvenile diabetes — any of several disorders characterized by increased urine production.
  • kastor and pollux — Castor and Pollux.
  • kendal sneck bent — a fishhook having a wide, squarish bend.
  • kidney transplant — surgery to replace a kidney
  • ladies-in-waiting — plural of lady-in-waiting.
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