18-letter words containing n, s
- 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
- galilean satellite — any of the four large satellites of the planet Jupiter – Io, Europa, Ganymede, or Callisto – discovered in 1610 by Galileo
- 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.
- gamal abdel nasser — Gamal Abdel [guh-mahl ab-doo l,, juh-] /gəˈmɑl ˈæb dʊl,, dʒə-/ (Show IPA), 1918–70, Egyptian military and political leader: prime minister of Egypt 1954–56; president of Egypt 1956–58; president of the United Arab Republic 1958–70.
- gamblers anonymous — an organization that holds group meetings to help people who are addicted to gambling
- gamma distribution — a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
- garden loosestrife — any of various plants belonging to the genus Lysimachia, of the primrose family, having clusters of usually yellow flowers, as L. vulgaris (garden loosestrife) or L. quadrifolia (whorled loosestrife)
- gas-permeable lens — a semisoft contact lens, usually removed each day, that allows air to pass through to the eye and affords a wider range of vision corrections than a soft contact lens.
- gastroduodenostomy — See under gastroenterostomy.
- gastroenterologist — the study of the structure, functions, and diseases of digestive organs.
- general anesthesia — induced unconsciousness
- general confession — a prayer confessing sins
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- general san martin — a city in E Argentina, a suburb of Buenos Aires.
- generating station — a power station
- genetic algorithms — genetic algorithm
- genetic counseling — the counseling of individuals with established or potential genetic problems, concerned with inheritance patterns and risks to future offspring.
- geneva conventions — one of a series of international agreements, first made in Geneva, Switzerland, in 1864, establishing rules for the humane treatment of prisoners of war and of the sick, the wounded, and the dead in battle.