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18-letter words containing n, s, f

  • 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.
  • 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.
  • 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 and brimstone — When people talk about fire and brimstone, they are referring to hell and how they think people are punished there after death.
  • fire-and-brimstone — threatening punishment in the hereafter: a fire-and-brimstone sermon.
  • first and foremost — primarily
  • first things first — You say 'first things first' when you are talking about something that should be done or dealt with before anything else because it is the most important.
  • first year infants — a class for young children who have just started school
  • first-in first-out — (algorithm)   (FIFO, or "queue") A data structure or hardware buffer from which items are taken out in the same order they were put in. Also known as a "shelf" from the analogy with pushing items onto one end of a shelf so that they fall off the other. A FIFO is useful for buffering a stream of data between a sender and receiver which are not synchronised - i.e. not sending and receiving at exactly the same rate. Obviously if the rates differ by too much in one direction for too long then the FIFO will become either full (blocking the sender) or empty (blocking the receiver). A Unix pipe is a common example of a FIFO. A FIFO might be (but isn't ever?) called a LILO - last-in last-out. The opposite of a FIFO is a LIFO (last-in first-out) or "stack".
  • 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.
  • fishing expedition — a legal proceeding mainly for the purpose of interrogating an adversary, or of examining his or her property and documents, in order to gain useful information.
  • fissure of rolando — central sulcus.
  • fitness instructor — physical trainer, exercise teacher
  • flash butt welding — a method of welding metal edge-to-edge with a powerful electric flash followed by the application of pressure.
  • flat on one's back — lying supine
  • flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
  • flotsam and jetsam — the part of the wreckage of a ship and its cargo found floating on the water. Compare jetsam, lagan.
  • fluorescent screen — a transparent screen coated on one side with a phosphor that fluoresces when exposed to X-rays or cathode rays
  • fob shipping point — FOB shipping point is a shipping term indicating that ownership of goods passes when they are transferred to the carrier.
  • for heaven's sake! — a mild exclamation of surprise, annoyance, etc.
  • foreign investment — investment from foreign countries
  • forensic chemistry — the application of facts concerning chemistry to questions of civil and criminal law.
  • forensic scientist — science expert: provides evidence
  • forethoughtfulness — The condition of being forethoughtful.
  • forwarding address — address for mail to be sent on
  • foundling hospital — an institutional home for foundlings.
  • fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
  • fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
  • fragile-x syndrome — an inherited condition characterized by learning disability: affected individuals have an X-chromosome that is easily damaged under certain conditions
  • 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.
  • french west africa — a former French federation in W Africa, including Dahomey (now Benin), French Guinea, French Sudan (now Mali), Ivory Coast, Mauritania, Niger, Senegal, and Upper Volta (now Burkina Fasso).
  • french west indies — islands in the West Indies that belong to France, including two overseas departments (Martinique & Guadeloupe) & several former dependencies of Guadeloupe
  • frequency response — the effectiveness with which a circuit, device, or system processes and transmits signals fed into it, as a function of the signal frequency.
  • frequency spectrum — The frequency spectrum of an electrical signal is the distribution of the amplitudes and phases of each frequency component against frequency.
  • from stem to stern — If something happens from stem to stern on a boat, it involves the whole of the boat.
  • front of the house — façade of residential building, house front
  • 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.
  • fu manchu mustache — a mustache whose ends droop to the chin.
  • fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
  • 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 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.
  • funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
  • funeral procession — ceremonial cortège at a burial
  • furnishing fabrics — fabrics used to make and cover furniture
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