12-letter words containing r, o, s
- forest grove — a town in NW Oregon.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- forethoughts — Plural form of forethought.
- foretopmasts — Plural form of foretopmast.
- foretopsails — Plural form of foretopsail.
- formal cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
- formal dress — clothing for elegant or solemn occasions
- formlessness — The quality of being formless.
- formularizes — Third-person singular simple present indicative form of formularize.
- formulations — Plural form of formulation.
- fornications — Plural form of fornication.
- fornicatress — (obsolete) A woman guilty of fornication.
- forrest city — a city in E Arkansas.
- forsakenness — past participle of forsake.
- fort collins — a city in N Colorado.
- fort jackson — a military reservation and U.S. Army training center in N central South Carolina, NE of Columbia.
- fort madison — a city in SE Iowa, on the Mississippi.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fort stewart — a military reservation in SE Georgia, SW of Savannah.
- fortepianist — the player of a fortepiano
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- fortresslike — Resembling a fortress in shape or impregnability.
- fortuitously — In a fortuitous manner.
- forty-niners — a person, especially a prospector, who went to California in 1849 during the gold rush.
- forty-second — next after the forty-first; being the ordinal number for 42.
- forward bias — a voltage applied to a circuit or device, esp a semiconductor device, in the direction that produces the larger current
- forward pass — a pass in which the ball is thrown in the direction of advance toward the opponent's goal.
- forward post — the position held by a soldier on the forward line
- forward push — A forward push is a feature of distillation columns (= tall vessels for distillation) in which zones that allow higher contact between substances are near the top of the column.
- forward sale — the sale of something that is to be delivered and paid for at a later date
- fosbury flop — a modern high-jumping technique whereby the jumper clears the bar headfirst and backwards
- foster child — a child raised by someone who is not its natural or adoptive parent.
- foundry sand — silica-based sand mixed with clay, oil, etc, to improve its cohesive strength, used in moulding
- four-corners — a point in the SW U.S., at the intersection of 37° N latitude and 109° W longitude, where the boundaries of four states—Arizona, Utah, Colorado, and New Mexico—meet: the only such point in the U.S.
- four-flusher — a person who makes false or pretentious claims; bluffer.
- four-striper — a captain in the U.S. Navy.
- fourdriniers — Plural form of fourdrinier.
- fourfoldness — the quality of consisting of four parts
- fourses cake — a traditional English bread made with lard, dried fruit, and spices
- fourth-class — of, relating to, or designated as a class next below third, as for mailing, shipping, etc.
- fox software — (company) Developers of FoxBASE+ and FoxPRO. Fox Software merged with Microsoft around 1992. Addresss: Perrysburg, OH, USA.
- fox squirrel — any of several North American arboreal squirrels varying in color and of an exceptionally large size.
- fracastorius — a walled plain in the fourth quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- francophones — Plural form of francophone.
- french doors — a door having glass panes throughout or nearly throughout its length.
- french shore — either of two stretches of coastline inhabited mainly by Francophone Canadians: the W coast of Newfoundland and the SW coast of Nova Scotia between Yarmouth and Digby.
- french toast — bread dipped in a batter of egg and milk and sautéed until brown, usually served with syrup or sprinkled with sugar and cinnamon.
- fresco secco — the technique of painting in watercolors on dry plaster. Also called dry fresco, secco. Compare fresco (def 1).