12-letter words containing f, l, a, n
- fluctuations — Plural form of fluctuation.
- fluidization — The act or process of fluidizing.
- fluoranthene — (organic compound) A polycyclic aromatic hydrocarbon consisting of a benzene ring attached to each of the rings of a naphthalene molecule; it is carcinogenic, and is a product of incomplete combustion.
- fluoridating — Present participle of fluoridate.
- fluoridation — the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
- fluorinating — Present participle of fluorinate.
- fluorination — (chemistry) The introduction of fluorine into a compound by means of a chemical reaction.
- fluorocarbon — any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential; banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion.
- fluphenazine — a potent tranquilizer, C 22 H 26 F 3 N 3 OS, derived from phenothiazine and used in various forms for the management of certain neurological or psychotic disorders and for short-term treatment of acute anxiety.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- fluviomarine — of or formed by the combined action of river and sea.
- flux linkage — the product of the magnetic flux and the number of turns in a given coil.
- fly in amber — a strange relic or reminder of the past
- flyfisherman — Flyfisher.
- flying shear — (in a continuous rolling mill) a shear that moves with the piece being cut.
- flying squad — a trained, mobile group of police officers, business executives, labor officials, or the like, capable of performing specialized tasks whenever or wherever sent, often for use in emergencies.
- flying start — a start, as in sailboat racing, in which the entrants begin moving before reaching the starting line.
- focal length — the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f.
- focalization — (optics) Putting into focus.
- folding seat — a seat that can be folded down
- folinic acid — a crystalline, slightly water-soluble solid, C 20 H 23 N 7 O 7 , produced by fermentation or derived from folic acid, used in medicine in the treatment of certain anemias.
- foot-poundal — a foot-pound-second unit of work or energy equal to the work done by a force of one poundal when its point of application moves through a distance of one foot in the direction of the force. Abbreviation: ft-pdl.
- footplateman — a member of a locomotive crew who stands on the footplate to operate the controls
- forbearingly — In a forbearing manner.
- forehandedly — Prudently, with thrift and foresight.
- foreign-flag — (of a vessel or aircraft) having a registry under a nationality other than one's own: rivalry between U.S.-flag freighters and foreign-flag ships.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- forestalling — Present participle of forestall.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- formula unit — (of an ionic compound that does not form molecules, as most salts) the chemical formula with the least number of elements out of the set of empirical formulas having the same proportion of ions as elements: NaCl is the formula unit for the ionic compound sodium chloride.
- formulations — Plural form of formulation.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- forward line — the soldiers at the forward most position in an army force
- foul-tasting — having a very unpleasant taste
- foundational — the basis or groundwork of anything: the moral foundation of both society and religion.
- four-channel — Audio. quadraphonic.
- four-walling — a form of distribution and exhibition, esp. of films, in which a distributor or producer rents a theater for a fixed amount, pays all advertising and operating costs, and collects all box-office receipts
- fractionally — pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction: fractional numbers.
- fragmentally — fragmentary.
- franchisable — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- francophilia — Alternative capitalization of Francophilia.
- frangibility — The state or quality of being frangible.
- frank stella — Frank (Phillip) born 1936, U.S. painter.
- frankalmoign — a form of tenure by which religious bodies held lands, esp on condition of praying for the soul of the donor
- franked mail — official mail sent by members of Congress, the vice president, and other authorized officials. Compare frank1 (defs 6–9).
- fraternalism — of or befitting a brother or brothers; brotherly.
- fraternality — Brotherliness.
- fraudulently — characterized by, involving, or proceeding from fraud, as actions, enterprise, methods, or gains: a fraudulent scheme to evade taxes.
- free balloon — a balloon, often equipped to carry passengers, that drifts with air currents and whose ascent and descent are controlled by the release of ballast and buoyant gas.
- free on rail — (of a consignment of goods) delivered to a railway station and loaded onto a train without charge to the buyer