13-letter words containing r, i, s, n
- flugelhornist — One who plays the flugelhorn.
- fluoroscoping — Present participle of fluoroscope.
- fly fisherman — one who fishes by fly-casting
- flying circus — a squadron of airplanes operating together, especially any of several squadrons of famous World War I aviators.
- flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
- flying saucer — any of various disk-shaped objects allegedly seen flying at high speeds and altitudes, often with extreme changes in speed and direction, and thought by some to be manned by intelligent beings from outer space.
- foerstner bit — a bit for drilling blind holes, guided from the rim rather than from the center to permit it to enter the wood at an oblique angle.
- folding press — a fall in wrestling won by folding one's opponent's legs up to his head and pressing his shoulders to the floor
- fons et origo — the source and origin
- food industry — the industry surrounding the production of food
- foolhardiness — recklessly or thoughtlessly bold; foolishly rash or venturesome.
- for-instances — an instance or example: Give me a for-instance of what you mean.
- forbiddenness — a past participle of forbid.
- forcing house — a place where growth or maturity (as of fruit, animals, etc) is artificially hastened
- foreconscious — the preconscious.
- foreshadowing — to show or indicate beforehand; prefigure: Political upheavals foreshadowed war.
- forgivingness — disposed to forgive; indicating forgiveness: a forgiving soul; a forgiving smile.
- formalisation — Alternative spelling of formalization.
- formularising — Present participle of formularise.
- fort sheridan — a military reservation in NE Illinois, on W shore of Lake Michigan S of Lake Forest.
- fortitudinous — having or showing fortitude; marked by bravery or courage.
- fortnightlies — Plural form of fortnightly.
- fosamprenavir — (pharmaceutical drug) An anti-retroviral prodrug of the protease inhibitor amprenavir. It is used to treat HIV infected patients.
- fossil energy — heat energy released by burning fossil fuel
- fractionalise — Alt form fractionalize.
- fractionalism — the state of being separate or inharmonious
- fractionalist — an advocate or supporter of fractionalism
- fractiousness — refractory or unruly: a fractious animal that would not submit to the harness.
- franchisement — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- francis bacon — Francis (Baron Verulam, Viscount St. Albans) 1561–1626, English essayist, philosopher, and statesman.
- francis crick — Francis Harry Compton, 1916–2004, English biophysicist: Nobel Prize in Medicine 1962.
- franz josef i — English name Francis Joseph I. 1830–1916, emperor of Austria (1848–1916) and king of Hungary (1867–1916)
- fraser island — an island off the south-east coast of Queensland and the largest sand island in the world; contains rainforests, heathlands, and freshwater lakes; a national park (since 1976) and a World Heritage site (since 1992). Area: 1840 sq km (710 sq miles). Pop: 194 (2011)
- free-spending — spending or tending to spend freely: If you don't mend your free-spending ways, you'll go bankrupt.
- free-standing — A free-standing piece of furniture or other object is not fixed to anything, or stands on its own away from other things.
- free-swimming — (of aquatic organisms) not attached to a base nor joined in a colony; capable of swimming about freely.
- free-swinging — recklessly daring in action or style: free-swinging stock market speculators.
- frelinghuysen — Frederick Theodore, 1817–85, U.S. statesman.
- french polish — French polish is a type of varnish which is painted onto wood so that the wood has a hard shiny surface.
- french-polish — to finish or treat (a piece of furniture) with French polish.
- freudian slip — (in Freudian psychology) an inadvertent mistake in speech or writing that is thought to reveal a person's unconscious motives, wishes, or attitudes.
- friendsgiving — a gathering of friends to celebrate Thanksgiving with a feast, falling near or on Thanksgiving Day, in contrast to the traditional celebrations that typically involve family.
- friese-greene — William. 1855–1921, British photographer. He invented (with Mortimer Evans) the first practicable motion-picture camera
- frightfulness — The quality of being frightful.
- frise aileron — an aircraft wing control surface designed with its leading edge extending forward of its axis of rotation so that when the aileron's trailing edge is raised the leading edge extends below the bottom surface of the wing.
- frivolousness — characterized by lack of seriousness or sense: frivolous conduct.
- frontier post — an official point where people or vehicles cross over a border between countries
- frontispieces — Plural form of frontispiece.
- frontogenesis — the formation or increase of a front or frontal zone.
- fruitlessness — The quality of being fruitless.