15-letter words containing f, o, r, s
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- freestone state — Connecticut (used as a nickname).
- fresnel mirrors — two plane mirrors so linked that a beam of light falling on them is reflected in slightly different directions, thus producing interference fringes in the area where this reflected light overlaps
- fringing forest — gallery forest.
- from sun to sun — from sunrise to sunset
- front-page news — a story printed on the first page of a newspaper
- frozen shoulder — joint stiffness at top of arm
- fructifications — Plural form of fructification.
- furniture store — shop: sells furnishings
- fusospirillosis — (medicine) alternative name of acute necrotizing ulcerative gingivitis.
- fusospirochetal — Relating to fusospirochetes.
- fusospirochetes — Plural form of fusospirochete.
- garrison finish — the finish of a race, especially a horse race, in which the winner comes from behind to win at the last moment.
- giant sunflower — a composite plant, Helianthus giganteus, of eastern North America, growing nearly 12 feet (4 meters) high and having very large yellow flower heads.
- golden starfish — an award given to a bathing beach that meets EU standards of cleanliness
- grafenberg spot — a patch of tissue in the front wall of the vagina, claimed to be erectile and highly erogenous.
- grapes of wrath — a novel (1939) by John Steinbeck.
- guest of honour — If you say that someone is the guest of honour at a dinner or other social occasion, you mean that they are the most important guest.
- gulf of argolis — an inlet of the Aegean Sea, in the E Peloponnese
- half-understood — partially understood
- hausdorff space — a topological space in which each pair of points can be separated by two disjoint open sets containing the points.
- have no use for — to employ for some purpose; put into service; make use of: to use a knife.
- heart of hearts — the depths of one's conscience or emotions
- heralds' office — the official heraldic authority of Scotland.
- hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
- house of prayer — house of God.
- hundred flowers — the 1957 political campaign in the People's Republic of China to encourage greater freedom of intellectual expression, initiated by Mao Zedong under the slogan “Let a hundred flowers bloom, let a hundred schools of thought contend.”.
- hyperfastidious — extremely or excessively fastidious
- inertial fusion — a type of nuclear fusion in which the inertia of matter enables it to fuse by impact, as by pulses of laser radiation or high-energy charged particles, rather than by high temperature
- informativeness — giving information; instructive: an informative book.
- interferometers — Plural form of interferometer.
- interfoliaceous — situated between leaves, especially opposite leaves.
- irish wolfhound — one of an Irish breed of large, tall dogs having a rough, wiry coat ranging in color from white to brindle to black.
- irrespective of — regardless of sth
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- ivano-frankovsk — a city in W Ukraine, S of Lvov.
- jefferson davis — Alexander Jackson, 1803–92, U.S. architect.
- jeffersonianism — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- job's comforter — a person who unwittingly or maliciously depresses or discourages someone while attempting to be consoling.
- john of austria — ("Don John") 1547?–78, Spanish naval commander and general: victor at the battle of Lepanto.
- kidasa software — (company) A company which develops project management software for Microsoft Windows.
- kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- land of promise — Promised Land.
- law of averages — a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences.
- leaves of grass — a book of poems (first edition, 1855; final edition, 1891–92) by Walt Whitman.
- legacy software — legacy system
- let yourself go — If you let yourself go, you relax and behave much more freely than usual.
- liaison officer — a person who liaises between groups or units