13-letter words containing s, f, e, r
- flatbed press — a printing machine on which the type forme is carried on a flat bed under a revolving paper-bearing cylinder
- flavoproteins — Plural form of flavoprotein.
- flesh peddler — a prostitute.
- flesh-colored — Something that is flesh-colored is yellowish pink in color.
- flesh-peddler — an employment agent or agency, especially one that recruits executives.
- flower seller — a person who sells flowers for a living, usually from a stall in the street
- flowering ash — a variety of ash tree that produces conspicuous flowers
- flugelhornist — One who plays the flugelhorn.
- fluorescently — In a fluorescent manner; using fluorescence.
- fluorochromes — Plural form of fluorochrome.
- flutterboards — Plural form of flutterboard.
- fly fisherman — one who fishes by fly-casting
- 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.
- focal seizure — an epileptic manifestation arising from a localized anomaly in the brain, as a small tumor or scar, and usually involving a single motor or sensory mechanism but occasionally spreading to other areas and causing convulsions and loss of consciousness.
- 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
- foldoc source — The source text of FOLDOC is a single plain text file. FOLDOC is also available on paper from your local printer but, at 700,000+ words, that would be about 2000 pages.
- fons et origo — the source and origin
- food security — an economic and social condition of ready access by all members of a household to nutritionally adequate and safe food: a household with high food security.
- fool's errand — a completely absurd, pointless, or useless errand.
- foolhardiness — recklessly or thoughtlessly bold; foolishly rash or venturesome.
- for chrissake — for Christ's sake
- for sb's sake — When you do something for someone's sake, you do it in order to help them or make them happy.
- for the birds — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.
- for the worse — into a less desirable or inferior state or condition
- for values of — (jargon) A common rhetorical maneuver at MIT is to use any of the canonical random numbers as placeholders for variables. "The max function takes 42 arguments, for arbitrary values of 42". "There are 69 ways to leave your lover, for 69 = 50". This is especially likely when the speaker has uttered a random number and realises that it was not recognised as such, but even "non-random" numbers are occasionally used in this fashion. A related joke is that pi equals 3 - for small values of pi and large values of 3. This usage probably derives from the programming language MAD (Michigan Algorithm Decoder), an ALGOL-like language that was the most common choice among mainstream (non-hacker) users at MIT in the mid-1960s. It had a control structure FOR VALUES OF X = 3, 7, 99 DO ... that would repeat the indicated instructions for each value in the list (unlike the usual FOR that generates an arithmetic sequence of values). MAD is long extinct, but similar for-constructs still flourish (e.g. in Unix's shell languages).
- for-instances — an instance or example: Give me a for-instance of what you mean.
- forbiddenness — a past participle of forbid.
- force a smile — to make oneself smile
- forcing house — a place where growth or maturity (as of fruit, animals, etc) is artificially hastened
- forearm smash — a blow like a punch delivered with the forearm in certain types of wrestling
- foreconscious — the preconscious.
- foreshadowing — to show or indicate beforehand; prefigure: Political upheavals foreshadowed war.
- foreshortened — Simple past tense and past participle of foreshorten.
- foresightedly — In a foresighted manner.
- foresightless — lacking foresight
- forest ranger — any of the officers employed by the government to supervise the care and preservation of forests, especially public forests.
- forgetfulness — apt to forget; that forgets: a forgetful person.
- forgivingness — disposed to forgive; indicating forgiveness: a forgiving soul; a forgiving smile.
- forgottenness — the status of being forgotten
- formal system — an uninterpreted symbolic system whose syntax is precisely defined, and on which a relation of deducibility is defined in purely syntactic terms; a logistic system
- fort donelson — Fort Donelson.
- fort duquesne — Abraham [a-bra-am] /a braˈam/ (Show IPA), 1610–88, French naval commander.
- fort sheridan — a military reservation in NE Illinois, on W shore of Lake Michigan S of Lake Forest.
- fortnightlies — Plural form of fortnightly.
- fortunateness — The quality of being fortunate; fortune; luck.
- forty-seventh — next after the forty-sixth; being the ordinal number for 47.
- 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
- fossiliferous — bearing or containing fossils, as rocks or strata.