16-letter words containing f, i, s
- first lieutenant — an officer ranking next above second lieutenant and next below a captain.
- first-aid worker — someone who is trained to give immediate medical help in an emergency
- first-generation — being the first generation of a family to be born in a particular country.
- first-time buyer — someone who is buying his or her first house
- fish or cut bait — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- fisherman's bend — a knot made by taking a round turn on the object to which the rope is to be fastened, passing the end of the rope around the standing part and under the round turn, and securing the end.
- fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
- fisherman's ring — the signet ring worn by the pope.
- fishing industry — the industry of catching fish
- fishskin disease — ichthyosis
- fissure eruption — the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent
- flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
- flabbergastingly — Surprisingly, astonishingly or amazingly.
- flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
- flash in the pan — a brief, sudden burst of bright light: a flash of lightning.
- flash photolysis — the study of photochemical reaction mechanisms in gases by analyzing spectroscopically the reaction products in a gas mixture irradiated with a powerful light flash.
- flathead catfish — a yellow and brown catfish, Pylodictus olivaris, common in the central U.S., having a flattened head and a projecting lower jaw.
- flibbertigibbets — Plural form of flibbertigibbet.
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- floridean starch — the storage polysaccharide of red algae.
- fluosilicic acid — an unstable acid, H 2 SiF 6 , known only in its colorless, poisonous, fuming aqueous solution or in the form of its salts: used chiefly as a wood preservative, a disinfectant, and as a hardening agent in the manufacture of ceramic ware, cement, and concrete.
- folk linguistics — speculation and popular views about language.
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- football special — a train service provided specially to transport football supporters to and from a match
- footsteps editor — the technician who adds sound effects, such as doors closing, rain falling, etc, during the postproduction sound-dubbing process
- forbid the banns — to raise an objection to a marriage announced in this way
- foreign minister — (in countries other than the U.S.) a cabinet minister who conducts and supervises foreign and diplomatic relations with other states. Also called, especially British, foreign secretary. Compare secretary of state (def 1).
- forensic science — the collection of several fields of science to the purposes of law
- forinsec service — foreign service
- forward analysis — An analysis which determines properties of the output of a program from properties of the inputs.
- foundation stone — any of the stones composing the foundation of a building.
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-masted brig — jackass bark (def 2).
- fourier analysis — the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Compare Fourier series.
- fourth dimension — Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
- fraises des bois — wild strawberries
- franchise clause — a clause stipulating that the insured will be responsible for any loss not in excess of a stated amount, and the insurance company will be liable for full payment of the loss equaling or exceeding the amount up to the insured amount.
- francis joseph i — 1830–1916, emperor of Austria 1848–1916; king of Hungary 1867–1916.
- francis of paula — Saint, 1416–1507, Italian monk: founder of the order of Minims.
- francis of sales — Saint, 1567–1622, French ecclesiastic and writer on theology: bishop of Geneva 1602–22.
- francis townsend — Francis Everett, 1867–1960, U.S. physician and proposer of the Townsend plan.
- francisco franco — Francisco (Francisco Paulino Hermenegildo Teódulo Franco-Bahamonde"El Caudillo") 1892–1975, Spanish military leader and dictator: chief of state 1939–47; regent of the kingdom of Spain 1947–75.
- fraternity house — a house occupied by a college or university fraternity.
- fraunhofer lines — a set of dark lines appearing in the continuous emission spectrum of the sun. It is caused by the absorption of light of certain wavelengths coming from the hotter region of the sun by elements in the cooler outer atmosphere
- frederic mistral — Frédéric [frey-dey-reek] /freɪ deɪˈrik/ (Show IPA), 1830–1914, French Provençal poet: Nobel prize 1904.
- free association — the uncensored expression of the ideas, impressions, etc., passing through the mind of the analysand, a technique used to facilitate access to the unconscious.
- free enterpriser — a person who practices or advocates free enterprise.
- free perspective — exaggeration of perspectival devices to increase the illusion of depth, used especially in stage-set painting and construction.
- french polynesia — a French overseas territory in the S Pacific, including the Society Islands, Marquesas Islands, and other scattered island groups. 1544 sq. mi. (4000 sq. km). Capital: Papeete.
- friedrich engels — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1820–95, German socialist in England: collaborated with Karl Marx in systematizing Marxism.