12-letter words containing o, r, g, a
- flag officer — a naval officer above the rank of captain, as a fleet admiral, admiral, vice-admiral, rear admiral, or commodore, who is entitled to display a flag indicating his or her rank.
- flagellators — Plural form of flagellator.
- flagellatory — relating to flagellation
- flagelliform — long, slender, and flexible, like the lash of a whip.
- flight arrow — an arrow having a conical or pyramidal head without barbs.
- float bridge — a bridge, as from a pier to a boat, floating at one end and hinged at the other to permit loading and unloading at any level of water.
- floating rib — one member of the two lowest pairs of ribs, which are attached neither to the sternum nor to the cartilages of other ribs.
- floor-manage — to act as or in the manner of a floor manager.
- flooring saw — a saw having a curved edge.
- flowcharting — (computing) the design and construction of flowcharts.
- fluoridating — Present participle of fluoridate.
- fluorinating — Present participle of fluorinate.
- fluorography — photofluorography.
- food allergy — an allergy to a specific type of food
- footdragging — the act or practice of acting with deliberate slowness
- for a change — contrary to the norm
- for a giggle — as a joke or prank; not seriously
- foraging ant — any of several ants, as army ants, that forage as part of a large group.
- forbearingly — In a forbearing manner.
- forecarriage — the front part of a carriage
- foregathered — Simple past tense and past participle of foregather.
- foreign-flag — (of a vessel or aircraft) having a registry under a nationality other than one's own: rivalry between U.S.-flag freighters and foreign-flag ships.
- forestalling — Present participle of forestall.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forgeability — (metallurgy) The quality or degree of being forgeable.
- formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions.
- forward gear — a gear in a vehicle that is used when the vehicle is moving forward
- fotheringhay — a village in NE Northamptonshire, in E England, near Peterborough: Mary, Queen of Scots, imprisoned here and executed 1587.
- four-walling — a form of distribution and exhibition, esp. of films, in which a distributor or producer rents a theater for a fixed amount, pays all advertising and operating costs, and collects all box-office receipts
- fourth grade — school year: age 9-10
- fractography — the study of fractures or cracks in a material, esp metal, in order to predict or identify the cause of a failure in a structure
- frankalmoign — a form of tenure by which religious bodies held lands, esp on condition of praying for the soul of the donor
- free coinage — the unrestricted coinage of bullion or of a specified metal, as silver, into money for any person bringing it to the mint, either with or without charge for minting.
- fudge factor — any variable component added to an experiment, plan, or the like that can be manipulated to allow leeway for error.
- gaboon viper — a large, venomous snake, Bitis gabonica, of tropical African forests, having large retractable fangs and geometrically patterned scales of yellow, brown, and sometimes purple.
- gainsborough — Thomas, 1727–88, English painter.
- galactometer — a lactometer.
- galactophore — a galactophorous duct.
- galactorrhea — an abnormally abundant flow of milk in a lactating woman.
- galeniferous — Of a mineral or deposit that contains galena.
- galley proof — a proof, originally one set from type in a galley, taken before the material has been made up into pages and usually printed as a single column of type with wide margins for marking corrections.
- gallows bird — a person who deserves to be hanged.
- gallows tree — a gallows.
- galusha grow — Galusha Aaron [guh-loo-shuh] /gəˈlu ʃə/ (Show IPA), 1822–1907, U.S. political leader: Speaker of the House 1861–63.
- galvanometer — an instrument for detecting the existence of small electric currents and determining their strength.
- galvanometry — the method or process of determining the strength of electric currents.
- gamboge tree — any of several tropical Asian trees of the genus Garcinia, esp G. hanburyi, that yield this resin: family Clusiaceae
- gambrel roof — a gable roof, each side of which has a shallower slope above a steeper one. Compare mansard (def 1).
- gametophores — Plural form of gametophore.
- gang of four — a group of four radical members of the Chinese Communist Party who were leaders of the Cultural Revolution and who were purged and imprisoned after the death of Mao Zedong: Jiang Qing (widow of Mao), Wang Hongwen, Yao Wenyuan, and Zhang Chunqiao.