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18-letter words containing d, e, s, r

  • depth-first search — (algorithm)   A graph search algorithm which extends the current path as far as possible before backtracking to the last choice point and trying the next alternative path. Depth-first search may fail to find a solution if it enters a cycle in the graph. This can be avoided if we never extend a path to a node which it already contains. Opposite of breadth first search. See also iterative deepening.
  • derestriction sign — a circular white sign with a black diagonal band signifying the lifting of any other speed restriction
  • descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
  • desiderius erasmus — Desiderius [des-i-deer-ee-uh s] /ˌdɛs ɪˈdɪər i əs/ (Show IPA), 1466?–1536, Dutch humanist, scholar, theologian, and writer.
  • destruct mechanism — a mechanism that causes the destruction of a rocket or missile when activated
  • detective sergeant — a police officer who investigates crime and who ranks above a detective constable but below a detective inspector
  • devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
  • dia de los muertos — Day of the Dead.
  • diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
  • diastereoisomerism — (chemistry) Any form of stereoisomerism other than enantiomerism.
  • diatomaceous earth — an unconsolidated form of diatomite
  • 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.
  • digital signatures — digital signature
  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • 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.
  • diplomatic service — diplomatic corps
  • directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
  • discharge printing — a fabric-printing method in which the material is dyed and then certain areas are discharged so as to permit the original hue or its color replacement to act as a pattern against the colored ground.
  • discourse analysis — the study of the rules or patterns characterizing units of connected speech or writing longer than a sentence.
  • disenfranchisement — to disfranchise.
  • disorderly conduct — any of various petty misdemeanors, generally including nuisances, breaches of the peace, offensive or immoral conduct in public, etc.
  • dispersible tablet — A dispersible tablet is a tablet that disintegrates in water or other liquid.
  • disproportionately — not proportionate; out of proportion, as in size or number.
  • distracted driving — driving a vehicle while engaging in an activity that has the potential to distract the driver from the task of driving: Bans on cell phone use in cars will help to reduce the dangers of distracted driving.
  • distress frequency — a radio frequency band reserved for emergency signals from aircraft or ships in distress.
  • distributed eiffel — ["Distributed Eiffel: A Language for Programming Multi-Granular Distributed Objects on the Clouds Operating System", L. Gunaseelan et al, IEEE Conf Comp Langs, 1992].
  • 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.
  • distribution curve — the curve or line of a graph in which cumulative frequencies are plotted as ordinates and values of the variate as abscissas.
  • divine inspiration — insight provided by higher power
  • domain name server — (spelling)   Domain Name System.
  • donor insemination — a process which involves using sperm which has been voluntarily given for use in the insemination of another person
  • double-edged sword — sth that can be both positive and negative
  • double-page spread — two pages treated as one in a publication, with images or text extending across the binding
  • dr. james h. clark — (person)   The founder of Silicon Graphics, Inc. and co-founder of Netscape Communications Corporation.
  • drainpipe trousers — trousers with very narrow legs
  • dressing table set — a set including a hairbrush, mirror and comb, often with silver backs
  • driver's education — high-school driving classes
  • drug-eluting stent — A drug-eluting stent is a tube placed into a blocked artery that slowly releases a drug to prevent another blockage in the artery.
  • duchenne dystrophy — the most common form of muscular dystrophy, usually affecting only boys
  • due process of law — the administration of justice in accordance with established rules and principles
  • duty-free shopping — the making of duty-free purchases
  • dwarf storage unit — (humour)   (DSU) An IBM term for a cupboard.
  • dysthymic disorder — a psychiatric disorder characterized by generalized depression that lasts for at least a year
  • eastern meadowlark — any of several American songbirds of the genus Sturnella, of the family Icteridae, especially S. magna (eastern meadowlark) and S. neglecta (western meadowlark) having a brownish and black back and wings and a yellow breast, noted for their clear, tuneful song.
  • egg and spoon race — a novelty race in which contestants each carry an egg in a spoon to the finish line, the winner being the first to finish without dropping or breaking the egg.
  • egg-and-spoon race — a race in which runners carry an egg balanced in a spoon
  • electoral district — an area that is considered as unit for the purposes of an election
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