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17-letter words containing r, a, d, i, c

  • first commandment — “Thou shalt have no other gods before me”: first of the Ten Commandments.
  • first-aid classes — classes which teach people how to give immediate medical help in an emergency
  • flagrante delicto — Law. in the very act of committing the offense.
  • floating dry dock — a dock that floats and can be lowered in the water for the entrance of a ship, and then raised for use as a dry dock
  • fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
  • foundation course — A foundation course is a course that you do at some colleges and universities in order to prepare yourself for a longer or more advanced course.
  • 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].
  • francis ferdinand — 1863–1914, archduke of Austria: heir apparent to the thrones of Austria and Hungary whose assassination precipitated the outbreak of World War I (nephew of Francis Joseph I).
  • frederick william — 1795–1861, king of Prussia 1840–61 (brother of William I of Prussia).
  • french somaliland — a former name of Djibouti (def 1).
  • further education — adult education.
  • gaucher's disease — a rare inherited disorder of fat metabolism that causes spleen and liver enlargement, abnormal fragility and pain of the bones, and progressive neurologic disturbances, leading to early death.
  • general discharge — a discharge from military service of a person who has served honorably but who has not met all the conditions of an honorable discharge.
  • giscard d'estaing — Valéry [va-ley-ree] /va leɪˈri/ (Show IPA), born 1926, French political leader: president 1974–81.
  • gnu privacy guard —
  • good-time charlie — an affable, sociable, pleasure-loving man.
  • grand climacteric — Physiology. a period of decrease of reproductive capacity in men and women, culminating, in women, in the menopause.
  • grand touring car — GT (def 2).
  • grand union canal — a canal in S England linking London and the Midlands: opened in 1801
  • greater celandine — celandine (def 1).
  • green peach aphid — an aphid, Myzus persicae, that is a pest of many fruit trees, ornamentals, and vegetables and a vector of certain viral plant diseases.
  • grid merchandiser — A grid merchandiser is a lightweight, free-standing, flexible fixture made up of moveable grids of wire and used by retailers can display large volumes of merchandise in a small space.
  • grignard reaction — the reaction of a Grignard reagent with any of the numerous types of compounds with which it can combine, as alcohols, acids, aldehydes, ketones, or esters: used chiefly in organic synthesis.
  • grooved fricative — a fricative, as (s), in which air is channeled through a groove along the center of the tongue.
  • haemorrhoidectomy — surgical removal of haemorrhoids
  • half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
  • hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
  • hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
  • hammered dulcimer — dulcimer (sense 1)
  • handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
  • haroun-al-raschid — Harun al-Rashid.
  • 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.
  • homeland security — national defence
  • horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
  • humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
  • hybrid fiber coax — (networking)   (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
  • hydraulic circuit — a circuit through which water or another liquid, instead of electric current, flows, but which otherwise operates in the same way as an electric circuit
  • hydrochloric acid — a colorless or faintly yellow, corrosive, fuming liquid, HCl, used chiefly in chemical and industrial processes.
  • hydroelectrically — Using hydroelectric power.
  • hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrotherapeutics — hydrotherapy.
  • hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
  • hypochondriacally — In a hypochondriacal manner.
  • icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
  • icositetrahedrons — Plural form of icositetrahedron.
  • ideogrammatically — In terms of, or by means of, ideograms.
  • 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.
  • illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
  • in the background — behind the focus of attention
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