18-letter words containing f, r, o
- continued fraction — a number plus a fraction whose denominator contains a number and a fraction whose denominator contains a number and a fraction, and so on
- contract furniture — furniture designed and manufactured for commercial installation, as in offices, waiting rooms, or lobbies.
- cooling-off period — A cooling-off period is an agreed period of time during which two sides with opposing views try to resolve a dispute before taking any serious action.
- corps of engineers — a branch of the U.S. Army responsible for military and many civil engineering projects.
- corridors of power — the higher echelons of government, the Civil Service, etc, considered as the location of power and influence
- counterreformation — a reform movement to oppose a previous one
- court of exchequer — (formerly) an English civil court where Crown revenue cases were tried
- court of st. james — the British royal court
- creme de framboise — a liqueur flavored with raspberries.
- criminal profiling — the analysis of a person's psychological and behavioural characteristics, so as to assess whether they are likely to have committed a crime under investigation
- crocodile-infested — full of crocodiles
- crude oil fraction — A crude oil fraction is a component of crude oil, which has its own particular molecular composition, weight, and boiling point.
- cultural diffusion — act of diffusing; state of being diffused.
- curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
- curvature of space — (in relativity) a property of space near massive bodies in which their gravitational field causes light to travel along curved paths.
- dangerous offender — an offender who is deemed by a court of law to be likely to engage in further violent conduct, and who thus becomes eligible for an indefinite prison sentence
- de-differentiation — a process by which structures or behaviors that were specialized for a specific function lose their specialization and become simplified or generalized.
- dead-letter office — an office where undeliverable letters were taken for storage
- declaration of war — a formal statement made by one country to another that a state of war now exists between them
- defense calculator — IBM 701
- degrees of freedom — the number of independent variables entering into a statistical measure or frequency distribution
- deliver oneself of — to speak with deliberation or at length
- democratic deficit — any situation in which there is believed to be a lack of democratic accountability and control over the decision-making process
- departure platform — a raised area at a railway station from which passengers can board trains prior to their departing
- diaminofluorescein — (organic compound) A fluorescein into which two amino groups have been substituted.
- division of labour — a system of organizing the manufacture of an article in a series of separate specialized operations, each of which is carried out by a different worker or group of workers
- due process of law — the administration of justice in accordance with established rules and principles
- duty-free shopping — the making of duty-free purchases
- dwarf storage unit — (humour) (DSU) An IBM term for a cupboard.
- efficient frontier — The efficient frontier is a method of analyzing a portfolio to discover the combination of assets that will produce the most return for risk.
- eleanor of castile — 1246–90, Spanish wife of Edward I of England. Eleanor Crosses were erected at each place at which her body rested between Nottingham, where she died, and London, where she is buried
- electronic warfare — the military use of electronics to prevent or reduce an enemy's effective use and to protect friendly use of electromagnetic radiation equipment
- enforcement action — action by a body or organization, esp a financial one, to make sure that its rules are being followed
- excess profits tax — a tax on profits exceeding a certain amount
- fabric conditioner — a product used when washing clothes to make them feel softer
- fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
- fallot's tetralogy — a congenital heart disease in which there are four defects: pulmonary stenosis, enlarged right ventricle, a ventricular septal defect, and an aorta whose origin lies over the septal defect. In babies suffering this disease the defects can be corrected by surgery
- false imprisonment — the unlawful restraint of a person from exercising the right to freedom of movement.
- family-tree theory — a theory that describes language change in terms of genetically related languages developing in successive splits from a common parent language, such as Indo-European, as depicted by a family tree diagram.
- far eastern region — former name of Khabarovsk.
- farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
- farm the long acre — to graze cows on the verge of a road
- farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
- fast-food industry — the industry surrounding fast-food restaurants
- fatty degeneration — deterioration of the cells of the body, accompanied by the formation of fat globules within the diseased cells.
- feast of orthodoxy — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
- feather one's nest — 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 government — pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system.
- feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
- fermat's last post — (humour) A post to a bug tracker, mailing list or forum in which the author claims to have found a simple fix or workaround for a bug, but never says what it is and never shows up again to explain it (even after others have been puzzling over the bug for years).