15-letter words containing f, i, r, o
- fantasmagorical — Alternative form of phantasmagorical.
- fashion-forward — relating to, anticipating, or reflecting the most up-to-date fashion trends
- fauntleroy suit — a formal outfit for a boy composed of a hip-length jacket and knee-length pants, often in black velvet, and a wide, lacy collar and cuffs, usually worn with a broad sash at the waist and sometimes a large, loose bow at the neck, popular in the late 19th century.
- feast or famine — characterized by alternating, extremely high and low degrees of prosperity, success, volume of business, etc.: artists who lead a feast-or-famine life.
- feast-or-famine — characterized by alternating, extremely high and low degrees of prosperity, success, volume of business, etc.: artists who lead a feast-or-famine life.
- federal holiday — a day which is a national holiday at the behest of the Federal Government
- fee-for-service — pertaining to the charging of fees for specific services rendered in health care, as distinguished from participating in a prepaid medical practice: fee-for-service medicine.
- feeding grounds — the place where animals gather to find food
- ferric chloride — a compound that in its anhydrous form, FeCl 3 , occurs as a black-brown, water-soluble solid; in its hydrated form, FeCl 3 ⋅xH 2 O, it occurs in orange-yellow, deliquescent crystals: used chiefly in engraving, for deodorizing sewage, as a mordant, and in medicine as an astringent and styptic.
- ferrihemoglobin — methemoglobin.
- ferroelasticity — (physics) A phenomenon, analogous to ferromagnetism and ferroelectricity, in which spontaneous strain arises within a material.
- ferrous sulfide — a dark or black metallic crystalline compound, FeS, insoluble in water, soluble in acids, used in ceramics and to generate hydrogen sulfide.
- fibrocartilages — Plural form of fibrocartilage.
- fideicommissary — the recipient of a fideicommissum.
- field of honour — the place or scene of a battle or duel, esp of jousting tournaments in medieval times
- field woundwort — the plant Stachys arvensis
- fiesta de toros — a bullfight; corrida.
- fight-or-flight — denoting instinctive response
- 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
- figure of eight — figure eight.
- figure of merit — a measure of the efficiency of a helicopter in hover
- file descriptor — (programming, operating system) An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter. In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively. See file descriptor leak.
- finger-pointing — the imputation of blame or responsibility.
- 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
- fireless cooker — an insulated container that seals in heat to cook food.
- 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 world war — World War I.
- 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.
- 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.
- five-star hotel — a top-quality hotel offering exceptional luxury
- 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.
- 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.
- 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 recorder — an electronic device aboard an aircraft that automatically records some aspects of the aircraft's performance in flight.
- 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 screed — Building Trades. screed (def 3).
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- floor exercises — exercises designed to improve fitness, carried out on the floor
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- 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.