15-letter words containing f, o
- 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
- fixed-do system — a system of solmization in which the syllable do is always C, regardless of the key.
- flamingo-flower — a central American plant, Anthurium scherzeranum, of the arum family, having a red, coiled spadix and a bright red, shiny, heart-shaped spathe, grown as an ornamental.
- flange coupling — a driving coupling between rotating shafts that consists of flanges (or half couplings) one of which is fixed at the end of each shaft, the two flanges being bolted together with a ring of bolts to complete the drive
- flannel-mouthed — speaking thickly, as if one's mouth were full of flannel
- flannelled fool — a cricketer
- flapping router — (networking) A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
- flatter oneself — to hold the self-satisfying or self-deluding belief (that)
- flavor enhancer — a substance added to food in order to enhance or intensify its flavor: Salt is a common flavor enhancer.
- 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
- flavourlessness — Alternative spelling of flavorlessness.
- flavoursomeness — Alt form flavorsomeness.
- flesh and blood — offspring or relatives: one's own flesh and blood.
- flight of fancy — An idea or statement that is very imaginative but complicated, silly, or impractical can be referred to as a flight of fancy.
- 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 recorder — an electronic device aboard an aircraft that automatically records some aspects of the aircraft's performance in flight.
- flight shooting — competitive shooting for distance only.
- flirtatiousness — The quality of being flirtatious.
- floating charge — an unsecured charge on the assets of an enterprise that allows such assets to be used commercially until the enterprise ceases to operate or the creditor intervenes to demand collateral
- 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 policy — (in marine insurance) a policy that provides protection of a broad nature for shipments of merchandise and that is valid continuously until canceled.
- floating screed — Building Trades. screed (def 3).
- floating supply — the aggregate supply of ready-to-market goods or securities.
- flock wallpaper — a type of wallpaper with a raised pattern
- 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.
- floor exercises — exercises designed to improve fitness, carried out on the floor
- floral envelope — the calyx and corolla of a flower.
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- florence fennel — a variety of fennel, Foeniculum vulgare azoricum, having enlarged leaf bases, which are blanched and used especially as an ingredient in salads.
- florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
- floriferousness — Quality of being floriferous, or bearing many flowers.
- flow of control — control flow
- flow of spirits — natural happiness
- flowerhorn fish — a brightly coloured cichlid fish with a large protuberance on the head
- flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.
- flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
- 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.
- fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
- fluorochemicals — Plural form of fluorochemical.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- fluoroquinolone — Any of a class of therapeutic antibiotics that are active against a range of bacteria associated with human and animal diseases. Their use in livestock has sparked concerns about the spread of bacteria resistant to them in humans.
- fly honeysuckle — either of two honeysuckle shrubs, Lonicera canadensis, of eastern North America, or L. xylosteum, of Eurasia, having paired yellowish flowers tinged with red.
- fly-on-the-wall — A fly-on-the-wall documentary is made by filming people as they do the things they normally do, rather than by interviewing them or asking them to talk directly to the camera.
- 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 jib boom — an extension on a jib boom, to which a flying jib is fastened.