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18-letter words containing s

  • 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
  • elementary student — primary school pupil
  • elizabethan sonnet — Shakespearean sonnet
  • 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.
  • emmenthal (cheese) — a hard, pale-yellow Swiss cheese with a mild flavor and large holes
  • 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.
  • endangered species — animal, plant becoming extinct
  • energy consumption — amount of energy used
  • engelbart, douglas — Douglas Engelbart
  • entrepreneurialism — The spirit or state of acting in an entrepreneurial manner.
  • entry requirements — the types and grades of examination required to enter a university
  • epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
  • equine herpesvirus — a viral disease of horses that may cause respiratory signs, abortion, neonatal death, and paresis. A vaccine is available against this disease
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • eraser stains code — (humour, programming)   Code that has been refactored many times, leaving swaths of legacy code and design; like paper that has been written on and erased so many times that the pencil marks are no longer the problem - the large greasy stain is.
  • escape sb's notice — If something escapes your notice, you fail to recognize it or realize it.
  • essence of violets — an alcoholic solution derived from violets, used as perfume
  • established church — a Church that is officially recognized as a national institution, esp the Church of England
  • establishmentarian — Adhering to, advocating, or relating to the principle of an established church.
  • ethical investment — an investment in a company whose activities or products are not considered by the investor to be unethical
  • ethnomethodologist — A person engaged in ethnomethodology.
  • ethnomusicological — Relating to or pertaining to ethnomusicology.
  • ethnopsychological — Relating to ethnopsychology.
  • 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).
  • evapotranspiration — The process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
  • 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.
  • examination script — a script with answers written on it by an examination candidate taking a written examination
  • excess profits tax — a tax on profits exceeding a certain amount
  • exclusive brethren — one of the two main divisions of the Plymouth Brethren, which, in contrast to the Open Brethren, restricts its members' contacts with those outside the sect
  • executive decision — a decision made by a person or group that has executive power
  • exercise equipment — equipment that can be used for exercising, such as tread mills, rowing machines, etc
  • exercise programme — a programme detailing a range of physical exercises and the amount of time each exercise should be performed, used especially in gymnasiums, where they are typically tailored to individuals' needs
  • exhaustive testing — (programming)   Executing a program with all possible combinations of inputs or values for program variables.
  • expressionlessness — The state of being without an expression.
  • extemporaneousness — The degree or property of being extemporaneous.
  • eyewitness account — a description given by someone who was present at an event
  • fall on one's feet — a plural of foot.
  • fall-back position — an alternative plan
  • 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
  • false imprisonment — the unlawful restraint of a person from exercising the right to freedom of movement.
  • family-size packet — a packet large enough to be suitable for a family
  • fantasy basketball — imagination, especially when extravagant and unrestrained.
  • far eastern region — former name of Khabarovsk.
  • faraday dark space — the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
  • farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
  • fascicular cambium — cambium that develops within the vascular bundles, producing secondary xylem and phloem.
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