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

  • 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
  • didot point system — a Continental system of measurement for type, based on a unit of 0.0148 inches (0.3759 mm).
  • dietary supplement — a substance taken in addition to what you eat in order to promote health
  • diethylstilbestrol — a nonsteroidal synthetic estrogen, C 18 H 20 O 2 , used in medicine chiefly in the treatment of menopausal symptoms and in animal feeds for chemical caponization: formerly used during pregnancy for the prevention of miscarriage but discontinued owing to its association with an increased risk of vaginal and cervical cancers in women having had fetal exposure. Abbreviation: DES.
  • dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
  • dimethyl sulfoxide — DMSO.
  • dimethylsulphoxide — a colourless odourless liquid substance used as a solvent and in medicine as an agent to improve the penetration of drugs applied to the skin. Formula: (CH3)2SO
  • 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.
  • disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • distress frequency — a radio frequency band reserved for emergency signals from aircraft or ships in distress.
  • distributed memory — (architecture)   The kind of memory in a parallel processor where each processor has fast access to its own local memory and where to access another processor's memory it must send a message via the inter-processor network. Opposite: shared memory.
  • distributed system — A collection of (probably heterogeneous) automata whose distribution is transparent to the user so that the system appears as one local machine. This is in contrast to a network, where the user is aware that there are several machines, and their location, storage replication, load balancing and functionality is not transparent. Distributed systems usually use some kind of client-server organisation. Distributed systems are considered by some to be the "next wave" of computing.
  • 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.
  • doubly linked list — (programming)   A data structure in which each element contains pointers to the next and previous elements in the list, thus forming a bidirectional linear list.
  • duty-free shopping — the making of duty-free purchases
  • dynamically scoped — dynamic scope
  • dysfunctionalities — Plural form of dysfunctionality.
  • dysthymic disorder — a psychiatric disorder characterized by generalized depression that lasts for at least a year
  • east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
  • ecosystem services — the important benefits for human beings that arise from healthily functioning ecosystems, notably production of oxygen, soil genesis, and water detoxification
  • electricity strike — a time when workers at an electricity company stop supplying power as a protest at working conditions
  • emergency services — The emergency services are the public organizations whose job is to take quick action to deal with emergencies when they occur, especially the fire brigade, the police, and the ambulance service.
  • employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
  • enantioselectivity — (chemistry) The selectivity of a reaction towards one of a pair of enantiomers.
  • energy consumption — amount of energy used
  • entry requirements — the types and grades of examination required to enter a university
  • 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
  • family-size packet — a packet large enough to be suitable for a family
  • first duke of york — a member of the royal house of England that ruled from 1461 to 1485.
  • first year infants — a class for young children who have just started school
  • fissure of sylvius — lateral fissure.
  • flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
  • forensic chemistry — the application of facts concerning chemistry to questions of civil and criminal law.
  • 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
  • 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.
  • geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
  • give someone curry — to assault (a person) verbally or physically
  • goya (y lucientes) — Fran‧ˈcis‧co Jo‧ˈsé‧ de (fʀɑnˈθiskɔhɔˈsɛ ðɛ) ; fränt hēsˈk^ōh^ōseˈ the) 1746-1828; Sp. painter
  • 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.
  • ha ha only serious — (SF fandom, originally as mutation of HHOK, "Ha Ha Only Kidding") A phrase (often seen abbreviated as HHOS) that aptly captures the flavour of much hacker discourse. Applied especially to parodies, absurdities, and ironic jokes that are both intended and perceived to contain a possibly disquieting amount of truth, or truths that are constructed on in-joke and self-parody. The Jargon File contains many examples of ha-ha-only-serious in both form and content. Indeed, the entirety of hacker culture is often perceived as ha-ha-only-serious by hackers themselves; to take it either too lightly or too seriously marks a person as an outsider, a wannabee, or in larval stage. For further enlightenment on this subject, consult any Zen master. See also AI koan.
  • handyman's special — fixer-upper.
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