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18-letter words containing i, l, e

  • 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).
  • euglenoid movement — the expansion and contraction of the cell body of various flagellates
  • 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.
  • 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
  • exhibition killing — the murder of a hostage by terrorists, filmed for broadcasting on television or the internet
  • expressionlessness — The state of being without an expression.
  • 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
  • family-tree theory — a theory that describes language change in terms of genetically related languages developing in successive splits from a common parent language, such as Indo-European, as depicted by a family tree diagram.
  • 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.
  • farmer in the dell — a game, accompanied by a song with several verses, in which one person, designated as the farmer, occupies the center of a circle of persons and is joined in the circle by other players designated as wife, child, nurse, cat, rat, and cheese, these then leaving the circle in order except for the one designated as cheese, who is left standing alone in the circle at the end.
  • fehling's solution — a blue solution of copper sulfate, Rochelle salt, and sodium hydroxide, used to test for the presence of a sugar, aldehyde, etc.
  • feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
  • ferdinand magellan — Ferdinand, c1480–1521, Portuguese navigator: discoverer of the Straits of Magellan 1520 and the Philippines 1521.
  • ferdinand schiller — Ferdinand Canning Scott [kan-ing] /ˈkæn ɪŋ/ (Show IPA), 1864–1937, English philosopher in the U.S.
  • fermat's principle — Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
  • ferrite-rod aerial — a type of aerial, normally used in radio reception, consisting of a small coil of wire mounted on a ferrite core, the coil serving as a tuning inductance
  • fettuccine alfredo — fettuccine in cream sauce with grated Parmesan cheese.
  • field independence — a psychological trait associated with having an internal locus of orientation (contrasted with field dependence).
  • field of quotients — a field whose elements are pairs of elements of a given commutative integral domain such that the second element of each pair is not zero. The field of rational numbers is the field of quotients of the integral domain of integers.
  • filchner ice shelf — an ice barrier in Antarctica, in the SE Weddell Sea, bordered on the W by Berkner Island.
  • file control block — (operating system)   (FCB) An MS-DOS data structure that stores information about an open file. The number of FCBs is configured in CONFIG.SYS with a command FCBS=x,y where x (between 1 and 255 inclusive, default 4) specifies the number of file control blocks to allocate and therefore the number of files that MS-DOS can have open at one time. y (not needed from DOS 5.0 onward) specifies the number of files to be closed automatically if all x are in use.
  • filename extension — (filename extension)   The portion of a filename, following the final point, which indicates the kind of data stored in the file - the file type. Many operating systems use filename extensions, e.g. Unix, VMS, MS-DOS, Microsoft Windows. They are usually from one to three letters (some sad old OSes support no more than three). Examples include "c" for C source code, "ps" for PostScript, "txt" for arbitrary text. Apart from informing the user what type of content the file holds, filename extensions are typically used to decide which program to launch when a file is "run", e.g. by double-clicking it in a GUI file browser. They are also used by Unix's make to determine how to build one kind of file from another. Compare: MIME type.
  • fill someone in on — to provide someone with additional facts, details, etc. about
  • financial services — A company or organization that provides financial services is able to help you do things such as make investments or buy a pension or mortgage.
  • finite-dimensional — (of a vector space) having a basis consisting of a finite number of elements.
  • fire in your belly — If you say that someone has fire in their belly, you are expressing approval of them because they are energetic, enthusiastic, and have very strong feelings.
  • 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.
  • fissure of rolando — central sulcus.
  • fissure of sylvius — lateral fissure.
  • fitzwilliam museum — a museum, attached to Cambridge University and founded in 1816, noted esp for its paintings and collections devoted to the applied arts
  • flash butt welding — a method of welding metal edge-to-edge with a powerful electric flash followed by the application of pressure.
  • flat file database — (database)   A database containing a single table, stored in a single flat file, often in a human-readable format such as comma-separated values or fixed-width columns.
  • flat-bottomed rail — a rail having a cross section like an inverted T, with the top extremity enlarged slightly to form the head
  • flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
  • floating underflow — underflow
  • floating-rate note — a eurobond, often issued as a negotiable bearer bond, that has a floating rate of interest
  • fly in the face of — to move through the air using wings.
  • for the hell of it — the place or state of punishment of the wicked after death; the abode of evil and condemned spirits; Gehenna or Tartarus.
  • for the life of me — If you say that you cannot for the life of you understand or remember something, you are emphasizing that you cannot understand or remember it, even if you try hard.
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • forward compatible — forward compatibility
  • four-legged friend — a four-legged animal, esp a dog
  • fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
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