15-letter words containing f, o, s, t
- 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.
- fishhook cactus — a large cactus, Ferocactus wislizenii, of the southwestern U.S. and Mexico, having hooked spines and red or yellow flowers.
- 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
- five-star hotel — a top-quality hotel offering exceptional luxury
- fixed-do system — a system of solmization in which the syllable do is always C, regardless of the key.
- flatter oneself — to hold the self-satisfying or self-deluding belief (that)
- flight of ideas — a rapid flow of thought, manifested by accelerated speech with abrupt changes from topic to topic: a symptom of some mental illnesses, especially manic disorder.
- flight shooting — competitive shooting for distance only.
- flirtatiousness — The quality of being flirtatious.
- floating island — a dessert consisting of boiled custard with portions of meringue, whipped cream, or whipped egg whites and sometimes jelly floating upon it or around it.
- floating screed — Building Trades. screed (def 3).
- floating supply — the aggregate supply of ready-to-market goods or securities.
- floods of tears — If you say that someone was in floods of tears or in a flood of tears, you are emphasizing that they were crying with great intensity because they were very upset.
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- flow of spirits — natural happiness
- fluoridationist — One who supports the addition of fluoride to the public water supply.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- 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.
- fob destination — FOB destination is a shipping term indicating that ownership of goods passes at delivery to their destination, and the seller has total responsibility until then.
- follow-up study — a second study made as a follow-up to an initial study
- follow-up visit — a visit made as a follow-up to an initial visit
- food insecurity — an economic and social condition of limited or uncertain access to adequate food.
- food supplement — a substance designed to make up for a deficiency in one's diet
- foolscap octavo — a book size, 41⁄4 by 63⁄4 inches
- foolscap quarto — a book size, 63⁄4 by 81⁄2 inches (foolscap quarto)
- football season — annual period when soccer is played
- 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 the present — being, existing, or occurring at this time or now; current: increasing respect for the present ruler of the small country.
- for the sake of — for the good of
- 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
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- 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.
- forest of arden — a region of N Warwickshire, part of a former forest: scene of Shakespeare's As You Like It
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- former prophets — a subdivision of the books constituting the second main part of the Hebrew Bible, Joshua, Judges, I-II Samuel, and I-II Kings
- forthcomingness — coming, forth, or about to come forth; about to appear; approaching in time: the forthcoming concert.
- fortysomethings — Plural form of fortysomething.
- foster daughter — a girl raised like one's own daughter, though not such by birth or adoption.
- foul one's nest — grossly offensive to the senses; disgustingly loathsome; noisome: a foul smell.
- foundationalism — (epistemology) The doctrine that beliefs derive justification from certain basic beliefs.
- fountains abbey — a ruined Cistercian abbey near Ripon in Yorkshire: founded 1132, dissolved 1539; landscaped 1720
- four-poster bed — bed: post at each corner
- fourteen points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.
- fourteen-points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.