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

florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
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.
forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
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).
formative assessment — ongoing assessment of a pupil's educational development within a particular subject area
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
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.
frederick william ii — 1744–97, king of Prussia 1786–97.
frederick william iv — 1795–1861, king of Prussia 1840–61 (brother of William I of Prussia).
free-range parenting — Informal. a style of child rearing in which parents allow their children to move about without constant adult supervision, aimed at instilling independence and self-reliance.
freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
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.
friedrich max müller — Friedrich Max [free-drik maks;; German free-drikh mahks] /ˈfri drɪk mæks;; German ˈfri drɪx mɑks/ (Show IPA), 1823–1900, English Sanskrit scholar and philologist born in Germany.
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
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.
fundamental particle — elementary particle.
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.
grand right and left — a figure called in square dancing in which partners face each other, forming a small circle, and then advance around the circle by extending alternating right and left hands to pull past each new person until they reach their partners again.
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
interference pattern — a series of alternating dark and bright bands produced as a result of light interference.
intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
islets of langerhans — biology: pancreatic cells
isochronous transfer — isochronous

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