13-letter words containing r, o, f, e
- free on board — law: delivered by ship free of charge to buyer
- free software — (software) Software that everyone is free to copy, redistribute and modify. That implies free software must be available as source code, hence "free open source software" - "FOSS". It is usually also free of charge, though anyone can sell free software so long as they don't impose any new restrictions on its redistribution or use. The widespread acceptance of this definition and free software itself owes a great deal to Richard Stallman and the Free Software Foundation. There are many other kinds of "free software" in the sense of "free of charge". See "-ware".
- free-floating — (of an emotional state) lacking an apparent cause, focus, or object; generalized: free-floating hostility.
- freedom march — an organized march protesting a government's restriction of or lack of support for civil rights, especially such a march in support of racial integration in the U.S. in the 1960s.
- freedom rider — (especially in the 1960s) a bus trip made to parts of the southern U.S. by persons engaging in efforts to integrate racially segregated public facilities.
- freight depot — (on a rail network) a place where freight is stored while awaiting onward transport
- freight house — a depot or storage place for freight.
- french polish — French polish is a type of varnish which is painted onto wood so that the wood has a hard shiny surface.
- french window — a pair of casement windows extending to the floor and serving as portals, especially from a room to an outside porch or terrace.
- french-polish — to finish or treat (a piece of furniture) with French polish.
- frequentation — the practice of frequenting; habit of visiting often.
- friction feed — (printer) A method some printers and plotters use to move paper by rotating one or both of a pair of spring-loaded rubber-coated rollers with the paper sandwiched between them. Friction feed printers are notorious for slipping when the rollers wear out, but can take standard typing paper. For printers with a sheet feeder, friction feed is more appropriate than sprocket feed which requires the holes in the paper to engage with the sprockets of the feed mechanism.
- friction head — (in a hydraulic system) the part of a head of water or of another liquid that represents the energy that the system dissipates through friction with the sides of conduits or channels and through heating from turbulent flow.
- friction pile — a pile depending on the friction of surrounding earth for support.
- friction tape — a cloth or plastic adhesive tape, containing a moisture-resistant substance, used especially to insulate and protect electrical wires and conductors.
- frighten into — If you frighten someone into doing something they would not normally do, you make them do it by making them afraid not to do it.
- frise aileron — an aircraft wing control surface designed with its leading edge extending forward of its axis of rotation so that when the aileron's trailing edge is raised the leading edge extends below the bottom surface of the wing.
- frivolousness — characterized by lack of seriousness or sense: frivolous conduct.
- frobisher bay — an inlet of the Atlantic in NE Canada, in the SE coast of Baffin Island
- from the wood — (of a beverage) from a wooden container rather than a metal or glass one
- fromage frais — Fromage frais is a thick, creamy dessert that is made from milk and often flavoured with fruit. A fromage frais is a small pot of fromage frais.
- frontage road — a local road that runs parallel to an expressway, providing access to roadside stores and businesses; a service road.
- frontier post — an official point where people or vehicles cross over a border between countries
- frontispieces — Plural form of frontispiece.
- frontogenesis — the formation or increase of a front or frontal zone.
- frosted glass — etched glass with a translucent surface
- froude number — a dimensionless number used in hydrodynamics for model simulation of actual conditions
- frozen assets — business assets that are not convertible into cash, as by government direction or business conditions
- frozen wastes — vast parts of land covered by snow and ice and usually uninhabited by people
- frumentaceous — of the nature of or resembling wheat or other grain.
- frumentarious — of or relating to wheat or a similar grain
- fuel air bomb — a type of bomb that spreads a cloud of gas, which is then detonated, over the target area, causing extensive destruction
- fuel injector — injector (def 2b).
- full throttle — used in the phrase at full throttle, at full speed or with great intensity
- full-flavored — Full-flavored food or wine has a pleasant fairly strong taste.
- full-throated — A full-throated sound coming from someone's mouth, such as a shout or a laugh, is very loud.
- fume cupboard — vent used in a laboratory
- functionaries — Plural form of functionary.
- furaciousness — the quality of being furacious or thievish
- gallows frame — headframe.
- garnetiferous — containing or yielding garnets.
- garrison life — the life of troops who maintain and guard a military base or fortified place
- geminiflorous — having flowers arranged in pairs.
- gemmuliferous — producing or reproducing by gemmules.
- get rid of sb — If you get rid of someone who is causing problems for you or who you do not like, you do something to prevent them affecting you any more, for example by making them leave.
- globuliferous — containing or producing globules.
- glove factory — a factory where gloves are made
- gödel's proof — a proof that in a formal axiomatic system such as logic or mathematics it is impossible to prove consistency without using methods from outside the system, demonstrated by Kurt Gödel (1906–78)
- goldie's fern — a wood fern, Dryopteris goldiana, of northeastern North America, having large, golden-green, leathery fronds with blades that tilt backward.
- gottlob frege — (person, history, philosophy, mathematics, logic, theory) (1848-1925) A mathematician who put mathematics on a new and more solid foundation. He purged mathematics of mistaken, sloppy reasoning and the influence of Pythagoras. Mathematics was shown to be a subdivision of formal logic.