15-letter words containing e, a, s, o
- feel one's oats — a cereal grass, Avena sativa, cultivated for its edible seed.
- ferroelasticity — (physics) A phenomenon, analogous to ferromagnetism and ferroelectricity, in which spontaneous strain arises within a material.
- ferrous sulfate — a bluish-green, crystalline, saline-tasting, water-soluble heptahydrated solid, FeSO 4 ⋅7H 2 O, used chiefly in the manufacture of other iron salts, in water purification, fertilizer, inks, pigments, tanning, photography, and in medicine in the treatment of anemia.
- fetal diagnosis — prenatal determination of genetic or chemical abnormalities in a fetus, esp by amniocentesis
- fibrocartilages — Plural form of fibrocartilage.
- fideicommissary — the recipient of a fideicommissum.
- fiesta de toros — a bullfight; corrida.
- 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.
- fission reactor — a nuclear reactor in which a fission reaction takes place
- fissiparousness — The quality of being fissiparous.
- five-star hotel — a top-quality hotel offering exceptional luxury
- flatter oneself — to hold the self-satisfying or self-deluding belief (that)
- flavourlessness — Alternative spelling of flavorlessness.
- flavoursomeness — Alt form flavorsomeness.
- flesh and blood — offspring or relatives: one's own flesh and blood.
- 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.
- 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.
- 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
- fluorochemicals — Plural form of fluorochemical.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- 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.
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- 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 some reason — for an unknown reason
- 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.
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- foreign affairs — politics: international relations
- 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
- foster daughter — a girl raised like one's own daughter, though not such by birth or adoption.
- fountains abbey — a ruined Cistercian abbey near Ripon in Yorkshire: founded 1132, dissolved 1539; landscaped 1720
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- franz joseph ii — 1906–1989, prince of Liechtenstein 1938–89.
- free atmosphere — the part of the atmosphere that lies above the frictional influence of the earth's surface.
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- freestone state — Connecticut (used as a nickname).
- front-page news — a story printed on the first page of a newspaper
- fully fashioned — (of stockings, knitwear, etc) shaped and seamed so as to fit closely
- functionalities — of or relating to a function or functions: functional difficulties in the administration.
- fusospirochetal — Relating to fusospirochetes.
- gaia hypothesis — a model of the earth as a self-regulating organism, advanced as an alternative to a mechanistic model.
- gallant soldier — a South American plant, Galinsoga parviflora, widely distributed as a weed, having small daisy-like flowers surrounded by silvery scales: family Asteraceae (composites)
- gambling losses — money lost as a result of playing games of chance for money
- garboard strake — the first strake on each side of a keel.