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18-letter words containing a, c, o, i

  • electrotherapeutic — Relating to electrotherapeutics.
  • embryonic membrane — any of several living membranes enclosing or closely associated with the developing vertebrate embryo, as the allantois, amnion, yolk sac, etc.
  • emotional literacy — the ability to deal with one's emotions and recognize their causes
  • enantioselectivity — (chemistry) The selectivity of a reaction towards one of a pair of enantiomers.
  • enforcement action — action by a body or organization, esp a financial one, to make sure that its rules are being followed
  • environment agency — an official agency providing information on environmental issues, esp rivers, flooding and pollution
  • epicycloidal wheel — one of the planetary gears of an epicyclic train
  • equinoctial circle — celestial equator
  • 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.
  • 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).
  • european community — an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
  • 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
  • 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
  • extermination camp — a camp where people are imprisoned and killed
  • eyewitness account — a description given by someone who was present at an event
  • fabric conditioner — a product used when washing clothes to make them feel softer
  • fall-back position — an alternative plan
  • fettuccine alfredo — fettuccine in cream sauce with grated Parmesan cheese.
  • fibonacci sequence — (mathematics)   The infinite sequence of numbers beginning 1, 1, 2, 3, 5, 8, 13, ... in which each term is the sum of the two terms preceding it. The ratio of successive Fibonacci terms tends to the golden ratio, namely (1 + sqrt 5)/2.
  • fibrocartilaginous — a type of cartilage having a large number of fibers.
  • fifth monarchy men — (during the Commonwealth in the 17th century) a militant sect of Puritans who identified the fifth monarchy with the millennial reign of Christ and who believed they should help to inaugurate that reign by force.
  • firecracker flower — a plant, Dichelostemma ida-maia, of the amaryllis family, native to California and Oregon, having clusters of tubular scarlet flowers.
  • first class module — (programming)   A module that is a first class data object of the programming language, e.g. a record containing functions. In a functional language, it is standard to have first class programs, so program building blocks can have the same status.
  • fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
  • fish and chip shop — In Britain, a fish and chip shop is a shop which sells hot food such as fish and chips, fried chicken, sausages, and meat pies. The food is cooked in the shop and people take it away to eat at home or in the street.
  • fixed-focus camera — a camera with an unadjustable focal length and with a relatively large depth of field.
  • fixed-radio access — Wireless Local Loop
  • fly in the face of — to move through the air using wings.
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • forward compatible — forward compatibility
  • francisco coronado — Francisco Vásquez de [frahn-thees-kaw bahs-keth th e,, frahn-sees-kaw bahs-kes] /frɑnˈθis kɔ ˈbɑs kɛθ ðɛ,, frɑnˈsis kɔ ˈbɑs kɛs/ (Show IPA), 1510–54? Spanish explorer in North America.
  • frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
  • ftp software, inc. — (company)   Developers of the original PC/TCP Packet Driver specification. Address: 26 Princess St. Wakefield, MA 01880-3004. Telephone: +1 (617) 246 0900.
  • functional disease — a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved (opposed to organic disease).
  • functional program — (language)   A program employing the functional programming approach or written in a functional language.
  • functional testing — (testing)   (Or "black-box testing", "closed-box testing") The application of test data derived from functional requirements without regard to how the system is implemented.
  • funeral procession — ceremonial cortège at a burial
  • galactic longitude — the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
  • galilean telescope — a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
  • galvanic corrosion — Galvanic corrosion is a type of corrosion caused by bringing together two different metals, one of which corrodes more rapidly than it would alone while the other corrodes less rapidly.
  • garbage collection — (programming)   (GC) The process by which dynamically allocated storage is reclaimed during the execution of a program. The term usually refers to automatic periodic storage reclamation by the garbage collector (part of the run-time system), as opposed to explicit code to free specific blocks of memory. Automatic garbage collection is usually triggered during memory allocation when the amount free memory falls below some threshold or after a certain number of allocations. Normal execution is suspended and the garbage collector is run. There are many variations on this basic scheme. Languages like Lisp represent expressions as graphs built from cells which contain pointers and data. These languages use automatic dynamic storage allocation to build expressions. During the evaluation of an expression it is necessary to reclaim space which is used by subexpressions but which is no longer pointed to by anything. This reclaimed memory is returned to the free memory pool for subsequent reallocation. Without garbage collection the program's memory requirements would increase monotonically throughout execution, possibly exceeding system limits on virtual memory size. The three main methods are mark-sweep garbage collection, reference counting and copying garbage collection. See also the AI koan about garbage collection.
  • gene amplification — an increase in the frequency of replication of a DNA segment.
  • general confession — a prayer confessing sins
  • general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
  • genetic algorithms — genetic algorithm
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