20-letter words containing a, f, o, r, e

flavour of the month — If you think that something or someone is very popular at a particular time, you can say that they are flavour of the month.
flight data recorder — a recording device that records relevant data during an aircraft's flight
florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
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 sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
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
force someone's hand — to force someone to act
force-field analysis — a decision-making technique, often presented graphically, that identifies all the positive and negative forces impinging on a problem
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
fort george g. meade — a military reservation in central Maryland, SW of Baltimore.
forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
fourteenth amendment — an amendment to the U.S. Constitution, ratified in 1868, defining national citizenship and forbidding the states to restrict the basic rights of citizens or other persons.
fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
frederick barbarossa — ("Frederick Barbarossa") 1123?–90, king of Germany 1152–90; king of Italy 1152–90: emperor of the Holy Roman Empire 1152–90.
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.
frequency modulation — FM.
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
front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
front-to-back engine — an engine in which the crankshaft is arranged front to back along the axis of the vehicle
frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
gentleman of fortune — an adventurer.
get away from it all — If you get away from it all, you have a holiday in a place that is very different from where you normally live and work.
go from bad to worse — worsen
grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
gregory of nazianzus — Saint. ?329–89 ad, Cappadocian theologian: bishop of Caesarea (370–79). Feast days: Jan 2, 25, and 30
group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
heat of vaporization — the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
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.
hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
in (or out of) gear — (not) connected to the motor
in a state of nature — completely naked
in any shape or form — If you say, for example, that you will not accept something in any shape or form, or in any way, shape or form, you are emphasizing that you will not accept it in any circumstances.
in flagrante delicto — Law. in the very act of committing the offense.
in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
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.
infiltration gallery — a conduit, built in permeable earth, for collecting ground water.
information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
information exchange — discussion that involves exchanging ideas and knowledge
information overload — an excess of incoming information, as might confront a pedestrian on a crowded city street, that forces one to be selective in the information received and retained.
infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc

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