15-letter words containing f, r, i, s
- first-day cover — a cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.
- first-intention — an act or instance of determining mentally upon some action or result.
- fischer-dieskau — Dietrich [dee-trik;; German dee-trikh] /ˈdi trɪk;; German ˈdi trɪx/ (Show IPA), 1925–2012, German baritone.
- fish and brewis — a Newfoundland dish of cooked salt cod and soaked hard bread
- fish restaurant — a restaurant which serves mainly fish
- fishing harbour — a place where fishing boats are tied up
- fission product — a nuclide produced either directly by nuclear fission or by the radioactive decay of such a nuclide
- fission reactor — a nuclear reactor in which a fission reaction takes place
- fissiparousness — The quality of being fissiparous.
- fitness tracker — a wearable electronic device or a software application that monitors one's physical fitness and daily physical activity.
- fitness trainer — someone whose job is to improve other people's fitness
- five-star hotel — a top-quality hotel offering exceptional luxury
- flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
- fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
- fleming's rules — two rules used as mnemonics for the relationship between the directions of current flow, motion, and magnetic field in electromagnetic induction. The hand is held with the thumb, first, and second fingers at right angles, respectively indicating the directions of motion, field, and electric current. The left hand is used for electric motors and the right hand for dynamos
- flemish brabant — a province of central Belgium, formed in 1995 from the N part of Brabant province: densely populated and intensively farmed, with large industrial centres. Pop: 1 031 904 (2004 est). Area: 2106 sq km (813 sq miles)
- flight sergeant — a noncommissioned officer in the Royal Air Force junior in rank to a master aircrew
- flimflam artist — trickster; swindler
- flinders island — an island off the coast of NE Tasmania: the largest of the Furneaux Islands. Pop: 850 (2004 est). Area: 2077 sq km (802 sq miles)
- flirtatiousness — The quality of being flirtatious.
- floating screed — Building Trades. screed (def 3).
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- floor exercises — exercises designed to improve fitness, carried out on the floor
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- floriferousness — Quality of being floriferous, or bearing many flowers.
- flow of spirits — natural happiness
- flowerhorn fish — a brightly coloured cichlid fish with a large protuberance on the head
- flowering shrub — any shrub that produces flowers
- flowers of zinc — a white or yellowish-white, amorphous, odorless, water-insoluble powder, ZnO, used chiefly as a paint pigment, in cosmetics, dental cements, matches, white printing inks, and opaque glass, and in medicine in the treatment of skin conditions.
- fluoridationist — One who supports the addition of fluoride to the public water supply.
- fluorochemicals — Plural form of fluorochemical.
- flying buttress — a segmental arch transmitting an outward and downward thrust to a solid buttress that through its inertia transforms the thrust into a vertical one.
- flying fortress — a heavy bomber, the B-17, with four radial piston engines, widely used over Europe and the Mediterranean by the U.S. Air Force in World War II.
- flying squirrel — any of various nocturnal tree squirrels, as Glaucomys volans, of the eastern U.S., having folds of skin connecting the fore and hind legs, permitting long, gliding leaps.
- focusing screen — a camera in which the image appears on a ground-glass viewer (focusing screen) after being reflected by a mirror or after passing through a prism or semitransparent glass; in one type (single-lens reflex camera) light passes through the same lens to both the ground glass and the film, while in another type (twin-lens reflex camera) light passes through one lens (viewing lens) to the ground glass and through a second lens (taking lens) to the film, the lenses being mechanically coupled for focusing.
- food insecurity — an economic and social condition of limited or uncertain access to adequate food.
- food processing — transforming raw materials into food
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- for pity's sake — You can say for pity's sake to add emphasis to what you are saying, especially when you are annoyed or upset.
- for their pains — You say that something was all you got for your pains when you are mentioning the disappointing result of situation into which you put a lot of work or effort.
- force the issue — to compel decision on some matter
- foreign affairs — politics: international relations
- foreign mission — mission (def 10).
- foreign service — a division of the U.S. Department of State or of a foreign office that maintains diplomatic and consular posts and personnel in other countries.
- forensic expert — an expert in applying scientific, technical or medical knowledge to the purposes of law
- foreshortenings — Plural form of foreshortening.
- foresightedness — care or provision for the future; provident care; prudence.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- forthcomingness — coming, forth, or about to come forth; about to appear; approaching in time: the forthcoming concert.
- fortysomethings — Plural form of fortysomething.