15-letter words containing c, o, n, f, i
- exemplification — The act of exemplifying; a showing or illustrating by example.
- existence proof — non-constructive proof
- extensification — The process of making something (more) extensive.
- fabric softener — a substance added to fabrics during laundering to make them puffier and softer.
- factor analysis — the use of one of several methods for reducing a set of variables to a lesser number of new variables, each of which is a function of one or more of the original variables.
- factory chimney — a tall chimney of a factory
- factory farming — Factory farming is a system of farming which involves keeping animals indoors, often with very little space, and giving them special foods so that they grow more quickly or produce more eggs or milk.
- fahnestock clip — a type of terminal using a spring that clamps readily onto a connecting wire.
- faith community — a community of people sharing the same religious faith
- fanconi anaemia — a rare genetic disorder that can cause bone marrow failure, leukaemia, and tumours
- fantasmagorical — Alternative form of phantasmagorical.
- fast-food chain — a chain of restaurants serving fast food
- fatal exception — (programming, operating system) A program execution error which is trapped by the operating system and which results in abrupt termination of the program. It may be possible for the program to catch some such errors, e.g. a floating point underflow; others, such as an invalid memory access (an attempt to write to read-only memory or an attempt to read memory outside of the program's address space), may always cause control to pass to the operating system without allowing the program an opportunity to handle the error. The details depend on the language's run-time system and the operating system. See also: fatal error.
- fifth columnist — A fifth columnist is someone who secretly supports and helps the enemies of the country or organization they are in.
- 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
- 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.
- fine-tooth comb — a comb having narrow, closely set teeth.
- finishing touch — a final additional or detail that completes and perfects something
- 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
- 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
- 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
- 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.
- 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 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).
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
- 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.
- focal infection — an infection in which bacteria are localized in some region, as the tonsils or the tissue around a tooth, from which they may spread to some other organ or structure of the body.
- focusing screen — a camera in which the image appears on a ground-glass viewer (focusing screen) after being reflected by a mirror or after passing through a prism or semitransparent glass; in one type (single-lens reflex camera) light passes through the same lens to both the ground glass and the film, while in another type (twin-lens reflex camera) light passes through one lens (viewing lens) to the ground glass and through a second lens (taking lens) to the film, the lenses being mechanically coupled for focusing.
- food insecurity — an economic and social condition of limited or uncertain access to adequate food.
- food processing — transforming raw materials into food
- for a certainty — without doubt
- foreign service — a division of the U.S. Department of State or of a foreign office that maintains diplomatic and consular posts and personnel in other countries.
- forensic expert — an expert in applying scientific, technical or medical knowledge to the purposes of law
- formation dance — any dance in which a number of couples form a certain arrangement, such as two facing lines or a circle, and perform a series of figures within or based on that arrangement
- forthcomingness — coming, forth, or about to come forth; about to appear; approaching in time: the forthcoming concert.
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- fractional note — a banknote in a denomination smaller than the standard unit of currency
- fractionalizing — Present participle of fractionalize.
- franco-american — an American of French or French-Canadian descent.
- frederic chopin — Frédéric François [fred-uh-rik fran-swah,, fred-rik;; French frey-dey-reek frahn-swa] /ˈfrɛd ə rɪk frænˈswɑ,, ˈfrɛd rɪk;; French freɪ deɪˈrik frɑ̃ˈswa/ (Show IPA), 1810–49, Polish composer and pianist, in France after 1831.
- frederick north — Christopher, pen name of John Wilson.
- french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
- friction clutch — a clutch in which one part turns another by friction between them.
- friend at court — a friend in a position of influence or power who may advance one's interests, especially a helpful person who is close to someone in authority.
- fructifications — Plural form of fructification.
- functionability — functional (def 3).
- functional food — a food containing additives which provide extra nutritional value