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17-letter words containing a, c, e, r, t, d

  • eastern-red-cedar — Also called eastern red cedar, savin. an American, coniferous tree, Juniperus virginiana, yielding a fragrant, reddish wood used for making lead pencils, etc.
  • ectoparasiticides — Plural form of ectoparasiticide.
  • electric retarder — An electric retarder is an electromagnetic transmission brake that is only effective when a vehicle is moving.
  • electricity board — a company which supplies electricity
  • electrocardiogram — A record or display of a person’s heartbeat produced by electrocardiography.
  • esprit d'escalier — clever repartee one thinks of too late
  • 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.
  • facts and figures — details; precise information
  • 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.
  • fancy dress party — a party at which the guests wear fancy dress
  • fendalton tractor — a four-wheel drive recreational vehicle
  • 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.
  • 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].
  • full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
  • further education — adult education.
  • giscard d'estaing — Valéry [va-ley-ree] /va leɪˈri/ (Show IPA), born 1926, French political leader: president 1974–81.
  • 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.
  • grande chartreuse — the Carthusian monastery at Grenoble, France: the chief monastery of the Carthusians until 1903.
  • grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
  • greater celandine — celandine (def 1).
  • greenland current — the ocean current flowing clockwise around S Greenland.
  • grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
  • 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
  • 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
  • henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
  • 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.
  • homeland security — national defence
  • hydroelectrically — Using hydroelectric power.
  • hydrotherapeutics — hydrotherapy.
  • icositetrahedrons — Plural form of icositetrahedron.
  • ideogrammatically — In terms of, or by means of, ideograms.
  • in the background — behind the focus of attention
  • inconsiderateness — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
  • incubation period — the period between infection and the appearance of signs of a disease.
  • indecipherability — Quality of being indecipherable.
  • indian rope-trick — the supposed Indian feat of climbing an unsupported rope
  • indicator species — See at indicator (def 6).
  • indirect taxation — duty paid on goods or services
  • induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
  • inertial guidance — a guidance system for an aerospace vehicle, in which self-contained devices determine the vehicle's course on the basis of the directions and magnitudes of the accelerations it undergoes in flight.
  • integrated course — a course that covers several subjects
  • integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
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