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17-letter words containing a, d, r, o, i, t

  • double track line — a railway line with double track
  • downward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
  • dramatis personae — (used with a plural verb) the characters in a play.
  • drilling platform — a structure, either fixed to the sea bed or mobile, which supports the machinery and equipment (the drilling rig), together with the stores, required for digging an offshore oil well
  • drinking fountain — a water fountain that ejects a jet of water for drinking without a cup.
  • drive to the wall — to force into an awkward situation
  • ductus arteriosis — a fetal blood vessel that connects the left pulmonary artery directly to the descending aorta, normally closing after birth.
  • eastern tradition — any of the philosophies and teachings that derive from Hinduism, Buddhism, Taoism, and other spiritual traditions of the East
  • ectoparasiticides — Plural form of ectoparasiticide.
  • electricity board — a company which supplies electricity
  • electrocardiogram — A record or display of a person’s heartbeat produced by electrocardiography.
  • embroidery thread — a thread used for embroidery
  • emissions trading — the buying and selling of allowances for pollutant emissions
  • ethinyloestradiol — Alternative form of ethinylestradiol.
  • examination board — an organization that sets and corrects exams
  • exception handler — Special code which is called when an exception occurs during the execution of a program. If the programmer does not provide a handler for a given exception, a built-in system exception handler will usually be called resulting in abortion of the program run and some kind of error indication being returned to the user. Examples of exception handler mechanisms are Unix's signal calls and Lisp's catch and throw.
  • export-orientated — (of an industry, company, etc) mainly concerned with the export of goods or services
  • extraordinariness — The property of being extraordinary.
  • extraordinary ray — the plane-polarized ray of light that does not obey the laws of refraction in a doubly refracting crystal
  • fade in (or out) — to appear or cause to appear (or disappear) gradually; make or become more (or less) distinct
  • fairness doctrine — a policy mandated by the Federal Communications Commission, requiring radio and television stations to grant equal time to a political candidate, group, etc., to present an opposing viewpoint to one already aired.
  • fear and loathing — (Hunter S. Thompson) A state inspired by the prospect of dealing with certain real-world systems and standards that are totally brain-damaged but ubiquitous - Intel 8086s, COBOL, EBCDIC, or any IBM machine except the Rios (also known as the RS/6000).
  • first commandment — “Thou shalt have no other gods before me”: first of the Ten Commandments.
  • 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
  • fore-and-aft sail — any of various sails, as jib-headed sails, gaff sails, lugsails, lateen sails, spritsails, staysails, and jibs, that do not set on yards and whose normal position, when not trimmed, is in a fore-and-aft direction amidships.
  • forward quotation — the price quoted on a forward delivery.
  • 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].
  • frankenstein food — any foodstuff that has been genetically modified
  • freight forwarder — a person or firm that arranges to pick up or deliver goods on instructions of a shipper or a consignee from or to a point by various necessary conveyances and common carriers.
  • further education — adult education.
  • garden heliotrope — the common valerian, Valeriana officinalis, especially when cultivated as an ornamental.
  • garden mignonette — a Mediterranean plant, Resida odorata, which has spikes of small greenish-white flowers with prominent anthers
  • generalized other — an individual's internalized impression of societal norms and expectations.
  • go down the drain — to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration: to drain oil from a crankcase.
  • 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.
  • good-time charlie — an affable, sociable, pleasure-loving man.
  • graduated pension — the money that an employee receives after retirement if they have paid into the graduated pension scheme
  • grand touring car — GT (def 2).
  • 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
  • hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
  • hawking radiation — the emission of particles by a black hole. Pairs of virtual particles in the intense gravitational field around a black hole may live long enough for one to move outward when the other is pulled into the black hole, making it appear that the black hole is emitting radiation
  • head of the river — any of various annual rowing regattas held on particular rivers
  • hermaphrodite rig — jackass rig.
  • 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 over the head — to strike on the head
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