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18-letter words containing r, u, t, l

  • cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
  • curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
  • customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
  • death-valley curve — a curve on a graph showing how the capital of a new company plotted against time declines sharply as the venture capital is used up before income reaches predicted levels
  • defense calculator — IBM 701
  • departure platform — a raised area at a railway station from which passengers can board trains prior to their departing
  • 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.
  • developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
  • 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.
  • 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
  • dietary supplement — a substance taken in addition to what you eat in order to promote health
  • digital multimeter — (electronics)   (DMM) A peice of test equipment used for measuring voltage, current, resistance, and possibly other electircal quantities and displaying the value in number form.
  • digital signatures — digital signature
  • disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
  • distributed eiffel — ["Distributed Eiffel: A Language for Programming Multi-Granular Distributed Objects on the Clouds Operating System", L. Gunaseelan et al, IEEE Conf Comp Langs, 1992].
  • distribution class — form class
  • 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.
  • dried-fruit beetle — a small beetle, Carpophilus hemipterus, of worldwide distribution, that infests ripe, dried, and fermenting fruits, especially figs and dates.
  • drug-eluting stent — A drug-eluting stent is a tube placed into a blocked artery that slowly releases a drug to prevent another blockage in the artery.
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • eighty-twenty rule — (programming)   The program-design version of the law of diminishing returns. The 80/20 rule says that roughly 80% of the problem can be solved with 20% of the effort that it would take to solve the whole problem. For example, parsing e-mail addresses in "From:" lines in e-mail messages is notoriously difficult if you follow the RFC 2822 specification. However, about 60% of actual "From:" lines are in the format "From: Their Name <[email protected]>", with a far more constrained idea of what can be in "user" or "host" than in RFC 2822. Another 25% just add double-quotes around "Their Name". Matching just those two patterns would thus cover 85% of "From:" lines, with a tiny portion of the code required to fully implement RFC2822. (Adding support for "From: [email protected]" and "From: [email protected] (Their Name) " brings coverage to almost 100%, leaving only really baroque things that RFC-2822 permits, like "From: Pete(A wonderful \) chap)
  • ejaculatio praecox — premature ejaculation during sexual intercourse
  • electrical circuit — An electrical circuit is a complete route that an electric current can flow around.
  • electrical failure — an instance when an electricity supply stops working
  • electroacupuncture — the insertion into the body of one or more needles through which an electric current is passed
  • electroluminescent — Having the quality of electroluminescence.
  • 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
  • electrotherapeutic — Relating to electrotherapeutics.
  • elementary student — primary school pupil
  • emergent evolution — the doctrine that, in the course of evolution, some entirely new properties, such as life and consciousness, appear at certain critical points, usually because of an unpredictable rearrangement of the already existing entities
  • engelbart, douglas — Douglas Engelbart
  • entrepreneurialism — The spirit or state of acting in an entrepreneurial manner.
  • equinoctial circle — celestial equator
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • equivalent circuit — an arrangement of simple electrical components that is electrically equivalent to a complex circuit and is used to simplify circuit analysis
  • established church — a Church that is officially recognized as a national institution, esp the Church of England
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • 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.
  • exclusive brethren — one of the two main divisions of the Plymouth Brethren, which, in contrast to the Open Brethren, restricts its members' contacts with those outside the sect
  • fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
  • federal funds rate — The federal funds rate is the overnight rate between banks.
  • fettuccine alfredo — fettuccine in cream sauce with grated Parmesan cheese.
  • fibrocartilaginous — a type of cartilage having a large number of fibers.
  • first class module — (programming)   A module that is a first class data object of the programming language, e.g. a record containing functions. In a functional language, it is standard to have first class programs, so program building blocks can have the same status.
  • floating underflow — underflow
  • fluorescent screen — a transparent screen coated on one side with a phosphor that fluoresces when exposed to X-rays or cathode rays
  • football supporter — a person who supports a particular football team
  • forethoughtfulness — The condition of being forethoughtful.
  • forget-me-not blue — a shade of blue similar to the shade of the flowers of a forget-me-not
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