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18-letter words containing r, o, s, e, l

  • counseling service — an advice service
  • counterculturalism — The counterculture movement or lifestyle.
  • counterculturalist — the culture and lifestyle of those people, especially among the young, who reject or oppose the dominant values and behavior of society.
  • counterrevolutions — Plural form of counterrevolution.
  • cranial osteopathy — osteopathy that focuses on the cranium and the spine
  • crested dog's-tail — a common wiry perennial grass, Cynosurus cristatus, of meadows and pasture
  • crocodile-infested — full of crocodiles
  • crude oil desalter — A crude oil desalter is equipment which removes inorganic salts from crude oil, using chemical or electrostatic separation.
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
  • customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
  • dead as a doornail — completely dead
  • defense calculator — IBM 701
  • deliver oneself of — to speak with deliberation or at length
  • dendrochronologist — One who carries out dendrochronology.
  • departmental store — a department store.
  • depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
  • dia de los muertos — Day of the Dead.
  • diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
  • 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 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.
  • 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.
  • 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
  • due process of law — the administration of justice in accordance with established rules and principles
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • 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.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • eleanor of castile — 1246–90, Spanish wife of Edward I of England. Eleanor Crosses were erected at each place at which her body rested between Nottingham, where she died, and London, where she is buried
  • electoral district — an area that is considered as unit for the purposes of an election
  • electoral register — An electoral register is an official list of all the people who have the right to vote in an election.
  • electrocardiograms — Plural form of electrocardiogram.
  • electrodesiccation — The drying of tissue, and the prevention of bleeding, using a high-frequency electric current.
  • electroluminescent — Having the quality of electroluminescence.
  • electron telescope — an astronomical telescope with an attachment for converting the infrared radiation emitted from the surface of planets into a visible image
  • electron transport — the metabolic process in mitochondria or chloroplasts, in which electrons are transferred in stages from energy-rich compounds to molecular oxygen with liberation of energy
  • electroretinograms — Plural form of electroretinogram.
  • electrostatic lens — an electron lens consisting of a system of metal electrodes, the electrostatic field of which focuses the charged particles
  • electrostatic unit — any unit that belongs to a system of electrical cgs units in which the electric constant is given the value of unity and is taken as a pure number
  • 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
  • engelbart, douglas — Douglas Engelbart
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • 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.
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