15-letter words containing o, f, s, a, l, e
- feast of lights — Hanukkah.
- 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.
- 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.
- 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
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- 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.
- 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.
- gatefold sleeve — a record sleeve that opens out like a book
- ghetto fabulous — pertaining to or noting a lifestyle of showy but superficial glamour and luxury that is sometimes adopted by people in or from an urban ghetto: That man is just ghetto-fabulous; his bling wears bling!
- ghetto-fabulous — pertaining to or noting a lifestyle of showy but superficial glamour and luxury that is sometimes adopted by people in or from an urban ghetto: That man is just ghetto-fabulous; his bling wears bling!
- giant sunflower — a composite plant, Helianthus giganteus, of eastern North America, growing nearly 12 feet (4 meters) high and having very large yellow flower heads.
- go up in flames — be burned
- golden starfish — an award given to a bathing beach that meets EU standards of cleanliness
- gulf of fonseca — an inlet of the Pacific Ocean in W Central America
- half-understood — partially understood
- heralds' office — the official heraldic authority of Scotland.
- inefficaciously — Without efficacy or effect.
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- interfoliaceous — situated between leaves, especially opposite leaves.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- land of promise — Promised Land.
- latensification — (in photography) the process of intensifying a latent image by the use of chemicals, extra exposure to light, or other means
- law of averages — a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences.
- lay oneself out — to put or place in a horizontal position or position of rest; set down: to lay a book on a desk.
- leaves of grass — a book of poems (first edition, 1855; final edition, 1891–92) by Walt Whitman.
- legacy software — legacy system
- liaison officer — a person who liaises between groups or units