15-letter words containing o, n, f
- field of vision — the entire view encompassed by the eye when it is trained in any particular direction.
- field woundwort — the plant Stachys arvensis
- fifth columnist — A fifth columnist is someone who secretly supports and helps the enemies of the country or organization they are in.
- fifth dimension — a theoretical dimension beyond or in addition to a fourth dimension.
- fighter command — a former unit of the Royal Air Force dedicated to the use of fighter aircraft, esp against enemy bombers and their escorts during WWII
- filling station — service station (def 1).
- finance company — an institution engaged in such specialized forms of financing as purchasing accounts receivable, extending credit to retailers and manufacturers, discounting installment contracts, and granting loans with goods as security.
- find one's feet — to become capable or confident, as in a new job
- fine-tooth comb — a comb having narrow, closely set teeth.
- finger-pointing — the imputation of blame or responsibility.
- finishing touch — a final additional or detail that completes and perfects something
- finite automata — Finite State Machine
- finno-russo war — the war (1939–40) between Finland and the Soviet Union.
- fire prevention — safety measures to decrease fire risk
- fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.
- fire-and-forget — used to describe a type of missile that, once fired, is able to guide itself to its target
- first intention — See under intention (def 5a).
- first responder — a person who is certified to provide medical care in emergencies before more highly trained medical personnel arrive on the scene: a firefighter trained as a first responder.
- first-intention — an act or instance of determining mentally upon some action or result.
- 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.
- 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 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.
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- floral envelope — the calyx and corolla of a flower.
- 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
- 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.