12-letter words containing l, o, n, r
- fluorescents — Plural form of fluorescent.
- 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.
- 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.
- fm cyclotron — a type of cyclotron that synchronizes its accelerating voltage with particle velocity in order to compensate for the relativistic mass increase of the particle as it approaches the speed of light.
- folding door — a door with hinged sections that can be folded flat against one another when opened.
- folding rule — a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.
- forbearingly — In a forbearing manner.
- forbiddingly — In a forbidding manner.
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- forcibleness — The quality of being forcible.
- forebodingly — a prediction; portent.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- forehandedly — Prudently, with thrift and foresight.
- foreign bill — a bill of exchange drawn on a payer in one country by a maker in another.
- 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.
- foreseeingly — by way of foreseeing
- forestalling — Present participle of forestall.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forlorn hope — a perilous or desperate enterprise.
- formlessness — The quality of being formless.
- 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.
- fort collins — a city in N Colorado.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- forward line — the soldiers at the forward most position in an army force
- 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
- fourfoldness — the quality of consisting of four parts
- fourteenthly — in (the) fourteenth place
- fractionally — pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction: fractional numbers.
- francophilia — Alternative capitalization of Francophilia.
- frankalmoign — a form of tenure by which religious bodies held lands, esp on condition of praying for the soul of the donor
- 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
- frictionally — In terms of friction.
- frictionless — surface resistance to relative motion, as of a body sliding or rolling.
- front loader — a washing machine with a door at the front which opens one side of the drum into which washing is placed
- front-loaded — Also, front-loaded. front-loading (def 1).
- front-loader — a machine or appliance, as a washing machine, loaded and unloaded through an opening in the front (as distinguished from a top loader).
- frontal bone — a broad membrane bone of the skull, forming the forehead and the upper portion of each orbit.
- frontal lobe — the anterior part of each cerebral hemisphere, in front of the central sulcus.
- full frontal — showing the entire front: full-frontal nudity.
- full-frontal — showing the entire front: full-frontal nudity.