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18-letter words containing a, s, e, y

  • cot death syndrome — the unexplained sudden death of an infant during sleep
  • countryside agency — (in England) a government agency that promotes the conservation and enjoyment of the countryside and aims to stimulate employment in rural areas
  • cranial osteopathy — osteopathy that focuses on the cranium and the spine
  • creeping paralysis — any slow process that causes a system, government, etc, to stop working efficiently
  • crested flycatcher — any of various tyrant flycatchers (esp. genus Myiarchus) with a prominent crest
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cultural diversity — the cultural variety and cultural differences that exist in the world, a society, or an institution: Dying languages and urbanization are threats to cultural diversity.
  • cytoarchitectonics — Cytoarchitecture.
  • daisywheel printer — (printer)   A kind of impact printer where the characters are arranged on the ends of the spokes of a wheel (resembling the petals on a daisy). The wheel (usually made of plastic) is rotated to select the character to print and then an electrically operated hammer mechanism bends the selected spoke forward slightly, sandwiching an ink ribbon between the character and the paper, as in a typewriter. One advantage of this arrangement over that of a typewriter is that different wheels may be inserted to produce different typefaces.
  • daytime television — television broadcasts that are shown during the daytime rather than in the evening
  • deficiency disease — any condition, such as pellagra, beriberi, or scurvy, produced by a lack of vitamins or other essential substances
  • depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
  • dialytic telescope — a type of achromatic telescope with a second correcting lens
  • dietary supplement — a substance taken in addition to what you eat in order to promote health
  • dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • disability pension — a pension paid to people who are unable to continue to work because of a disability
  • discourse analysis — the study of the rules or patterns characterizing units of connected speech or writing longer than a sentence.
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • domain name system — (networking)   (DNS) A general-purpose distributed, replicated, data query service chiefly used on Internet for translating hostnames into Internet addresses. Also, the style of hostname used on the Internet, though such a name is properly called a fully qualified domain name. DNS can be configured to use a sequence of name servers, based on the domains in the name being looked for, until a match is found. The name resolution client (e.g. Unix's gethostbyname() library function) can be configured to search for host information in the following order: first in the local hosts file, second in NIS and third in DNS. This sequencing of Naming Services is sometimes called "name service switching". Under Solaris is configured in the file /etc/nsswitch.conf. DNS can be queried interactively using the command nslookup. It is defined in STD 13, RFC 1034, RFC 1035, RFC 1591.
  • dynamically scoped — dynamic scope
  • dysfunctionalities — Plural form of dysfunctionality.
  • east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
  • easy come, easy go — You use easy come, easy go to indicate that the person you are talking about does not care much about money and possessions.
  • elementary student — primary school pupil
  • enantioselectivity — (chemistry) The selectivity of a reaction towards one of a pair of enantiomers.
  • ethnopsychological — Relating to ethnopsychology.
  • 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.
  • eyewitness account — a description given by someone who was present at an event
  • fallot's tetralogy — a congenital heart disease in which there are four defects: pulmonary stenosis, enlarged right ventricle, a ventricular septal defect, and an aorta whose origin lies over the septal defect. In babies suffering this disease the defects can be corrected by surgery
  • family-size packet — a packet large enough to be suitable for a family
  • fantasy basketball — imagination, especially when extravagant and unrestrained.
  • faraday dark space — the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
  • feast of orthodoxy — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
  • first year infants — a class for young children who have just started school
  • flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
  • fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
  • fragile-x syndrome — an inherited condition characterized by learning disability: affected individuals have an X-chromosome that is easily damaged under certain conditions
  • gamblers anonymous — an organization that holds group meetings to help people who are addicted to gambling
  • gastroduodenostomy — See under gastroenterostomy.
  • gensym corporation — (company)   A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.
  • gestalt psychology — (sometimes lowercase) the theory or doctrine that physiological or psychological phenomena do not occur through the summation of individual elements, as reflexes or sensations, but through gestalts functioning separately or interrelatedly.
  • get one's end away — to have sexual intercourse
  • gettysburg address — the notable short speech made by President Lincoln on November 19, 1863, at the dedication of the national cemetery at Gettysburg, Pa.
  • goya (y lucientes) — Fran‧ˈcis‧co Jo‧ˈsé‧ de (fʀɑnˈθiskɔhɔˈsɛ ðɛ) ; fränt hēsˈk^ōh^ōseˈ the) 1746-1828; Sp. painter
  • grand canyon state — Arizona (used as a nickname).
  • grand traverse bay — an inlet of Lake Michigan on the NW of the Lower Peninsula of Michigan.
  • gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
  • gray manganese ore — manganite.
  • great sandy desert — a desert in NW Australia. About 300 miles (485 km) long; 500 miles (800 km) wide; about 160,000 sq. mi. (414,400 sq. km).
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