16-letter words containing f, a, r, o
- forced vibration — Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.
- fore and aft rig — a sail set in a line from one end the other of a vessel rather than in a square
- fore-and-aft rig — a rig in which the principal sails are fore-and-aft.
- forefathers' day — the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.
- foreign exchange — commercial paper drawn on a person or corporation in a foreign nation.
- foreign language — language not one's mother tongue
- foreign national — citizen of another country
- formation flying — a formal arrangement of flying aircraft acting as a unit
- formation packer — A formation packer is a substance that is used as a seal between the casing and the borehole so that part of the hole can be tested.
- forswear oneself — to swear falsely; perjure oneself
- fort leavenworth — a military reservation and U.S. Army training center in E Kansas adjoining Leavenworth, one of the oldest (1827) military posts W of the Mississippi and site of federal penitentiary.
- fort sam houston — a military reservation and U.S. Army training center in San Antonio, Tex.
- fortin barometer — an adjustable cistern barometer, the most common of those employing mercury.
- forward analysis — An analysis which determines properties of the output of a program from properties of the inputs.
- forward chaining — A data-driven technique used in constructing goals or reaching inferences derived from a set of facts. Forward chaining is the basis of production systems. Oppose backward chaining.
- forward contract — a contract to buy or sell an asset at a point in the future at a previously agreed price
- forward delivery — delivery at a future date.
- forward exchange — a foreign bill purchased at a stipulated price and payable at a future date.
- forward planning — business: making future provisions
- forward-thinking — planning or tending to plan for the future; forward-looking.
- forwarding agent — freight forwarder.
- founders' shares — shares awarded to the founders of a company and often granting special privileges
- four-course meal — A four-course meal is a meal that consists of four parts served one after the other.
- four-deal bridge — a version of bridge in which four hands only are played, the players then cutting for new partners
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-leaf clover — a clover leaf having four leaflets instead of the usual three, purported to bring good luck.
- four-masted brig — jackass bark (def 2).
- four-star petrol — petrol containing lead, formerly sold in the UK
- 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 amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- fraises des bois — wild strawberries
- francesco sforza — Count Carlo [kahr-law] /ˈkɑr lɔ/ (Show IPA), 1873–1952, Italian statesman: anti-Fascist leader.
- 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.
- franco-provencal — a Romance dialect group of western Switzerland and neighboring parts of France: closely related to both Provençal and northern French.
- frankfurt school — a school of thought, founded at the University of Frankfurt in 1923 by Theodor Adorno, Herbert Marcuse and others, derived from Marxist, Freudian, and Hegelian theory
- franz josef land — an archipelago in the Arctic Ocean, E of Spitzbergen and N of Novaya Zemlya: belongs to the Russian Federation.
- 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
- 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.
- freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
- french cameroons — Cameroun (def 2).
- french indochina — an area in SE Asia, formerly a French colonial federation including Cochin-China, the protectorates of Annam, Cambodia, Tonkin, and Laos, and the leased territory of Kwangchowan: now comprising the three independent states of Vietnam, Cambodia, and Laos. Capital: Hanoi.
- 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.
- friction gearing — wheels or disks transmitting power by means of frictional contact.
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- from one's heart — very sincerely or deeply