20-letter words containing o, f, s, t, r

fast-breeder reactor — a breeder reactor in which there is no moderator and fission is caused by high-energy neutrons.
feast of tabernacles — Sukkoth.
feather in one's cap — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
federal constitution — Constitution of the United States.
federal reserve note — a form of paper money issued by a Federal Reserve Bank.
fight for one's life — Someone who is fighting for their life is making a great effort to stay alive, either when they are being physically attacked or when they are very ill.
file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
first earl of cromer — 1st Earl of, Evelyn Baring.
first point of aries — the vernal equinox.
first world problems — If you say that someone has First World problems, you mean that their problems are not really very important.
first-person shooter — a type of video game in which the player assumes the field of vision of the protagonist, so that the game camera includes the character's weapon, but the rest of the character model is not seen. Abbreviation: FPS.
fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
fold-and-thrust belt — a linear or arcuate region of the earth's surface that has been subjected to severe folding and thrust faulting
for all one is worth — good or important enough to justify (what is specified): advice worth taking; a place worth visiting.
for better for worse — whatever the subsequent events or changes may be
for sb's consumption — If you do or say something for a particular person's or group's consumption, you do or say it especially for them, although your private thoughts or plans may be very different.
for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
for the rest of them — for The Rest Of Us
for the sake of sthg — If you do something for the sake of something, you do it for that purpose or in order to achieve that result. You can also say that you do it for something's sake.
forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
fore-and-aft topsail — gaff topsail (def 1).
fore-topgallant mast — the spar or section of a spar forming the topgallant portion of a foremast on a ship.
formative assessment — ongoing assessment of a pupil's educational development within a particular subject area
freedom of the press — the right to publish newspapers, magazines, and other printed matter without governmental restriction and subject only to the laws of libel, obscenity, sedition, etc.
freight pass-through — a special allowance or discounted price given a bookseller or bookstore by a publishing house for paying the freight charge on a shipment of books ordered: so called because the shipping charge is passed on to the consumer by an increase in the suggested retail price for each book. Abbreviation: FPT.
fridtjof nansen land — Franz Josef Land.
friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
get one's finger out — to begin or speed up activity, esp after initial delay or slackness
go from bad to worse — worsen
houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
in a state of nature — completely naked
in the nature of sth — If you say that one thing is in the nature of another, you mean that it is like the other thing.
information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
information industry — businesses that involve collecting and using information
instruction prefetch — (architecture) A technique which attempts to minimise the time a processor spends waiting for instructions to be fetched from memory. Instructions following the one currently being executed are loaded into a prefetch queue when the processor's external bus is otherwise idle. If the processor executes a branch instruction or receives an interrupt then the queue must be flushed and reloaded from the new address. Instruction prefetch is often combined with pipelining in an attempt to keep the pipeline busy. By 1995 most processors used prefetching, e.g. Motorola 680x0, Intel 80x86.
intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
investment portfolio — the whole range of financial investments held by an individual investor or a financial organization
islets of langerhans — biology: pancreatic cells
isochronous transfer — isochronous
joint life insurance — life insurance covering two or more persons, the benefits of which are paid after the first person dies.
joseph of arimathaea — a member of the Sanhedrin who placed the body of Jesus in the tomb. Matt. 27:57–60; Mark 15:43.
law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
liberty of the press — freedom of the press.
life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
like a ton of bricks — (used esp of the manner of punishing or reprimanding someone) with great force; severely
liturgy of the hours — a revision (promulgated in 1970) of the arrangement and texts of the Divine Office
lost property office — room for mislaid objects
lower yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park, that is 98 m (320 ft) high

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