12-letter words containing o, n, r, f
- 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.
- foetoprotein — Alternative spelling of fetoprotein.
- 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.
- food counter — a counter in a shop, bar, cafeteria, etc where food is sold or served
- footdragging — the act or practice of acting with deliberate slowness
- footsoreness — The characteristic of being footsore.
- for a change — contrary to the norm
- for a season — for a while
- for a wonder — to think or speculate curiously: to wonder about the origin of the solar system.
- for instance — a case or occurrence of anything: fresh instances of oppression.
- for-instance — an instance or example: Give me a for-instance of what you mean.
- foraging ant — any of several ants, as army ants, that forage as part of a large group.
- foraminifera — any chiefly marine protozoan of the sarcodinian order Foraminifera, typically having a linear, spiral, or concentric shell perforated by small holes or pores through which pseudopodia extend.
- forbearances — Plural form of forbearance.
- forbearingly — In a forbearing manner.
- forbiddingly — In a forbidding manner.
- forced entry — entry into a building by force, eg by forcing a lock
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- forcibleness — The quality of being forcible.
- fore and aft — situated at or toward the front, as compared with something else.
- fore-and-aft — located along or parallel to a line from the stem to the stern.
- foreadmonish — (rare, transitive) To admonish beforehand, or before the act or event.
- forebearance — Misspelling of forbearance.
- forebodement — The act of foreboding.
- forebodingly — a prediction; portent.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- foredestined — Simple past tense and past participle of foredestine.
- foregrounded — Simple past tense and past participle of foreground.
- 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 body — object lodged where it does not belong
- foreign-born — born in a country other than that in which one resides.
- 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.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- foreordained — to ordain or appoint beforehand.
- foreordinate — foreordain.
- foreseeingly — by way of foreseeing
- foreshortens — Third-person singular simple present indicative form of foreshorten.
- forest green — Lincoln green.
- forestalling — Present participle of forestall.
- foretokening — Indication in advance.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel