17-letter words containing f, o, u, r, c
- fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
- fluorescent light — a fluorescent lamp in domestic or commercial use; a fluorescent strip
- fluorescent strip — a fluorescent light in the form of a long strip
- forcing frequency — the frequency of an oscillating force applied to a system
- foundation course — A foundation course is a course that you do at some colleges and universities in order to prepare yourself for a longer or more advanced course.
- four-stroke cycle — A four-stroke cycle is the cycle of engine operation which requires four strokes of the piston: for induction, compression, ignition, and exhaust.
- fourfold purchase — a tackle that is composed of a rope passed through two fourfold blocks in such a way as to provide mechanical power in the ratio of 1 to 5 or 1 to 4, depending on whether hauling is done on the running or the standing block and without considering friction. Compare tackle (def 2).
- french revolution — the revolution that began in 1789, overthrew the absolute monarchy of the Bourbons and the system of aristocratic privileges, and ended with Napoleon's overthrow of the Directory and seizure of power in 1799.
- frequency polygon — a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length.
- full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
- functional isomer — any of several structural isomers that have the same molecular formula but with the atoms connected in different ways and therefore falling into different functional groups.
- further education — adult education.
- greenhouse effect — an atmospheric heating phenomenon, caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere but longer-wavelength heat radiation less readily transmitted outward, owing to its absorption by atmospheric carbon dioxide, water vapor, methane, and other gases; thus, the rising level of carbon dioxide is viewed with concern.
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- immunofluorescent — Of, pertaining to, or using immunofluorescence.
- induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
- integral function — an entire function.
- julian of norwich — ?1342–?1413, English mystic and anchoress: best known for the Revelations of Divine Love describing her visions
- lance of courtesy — a lance having a blunt head to prevent serious injury by a jouster to an opponent.
- manufactured home — a prefabricated house, assembled in modular sections.
- maurice of nassau — Prince of Orange 1567-1625; Du. statesman & military leader
- molecular formula — a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- motion of censure — a motion by opposition parties criticizing the government
- munitions factory — a factory where munitions are made
- nuclear-free zone — any area in which nuclear weapons, power plants, or materials are not allowed.
- odour of sanctity — sanctimoniousness
- orfeo ed euridice — an opera (1762), with music by Christoph Willibald von Gluck.
- out for the count — If someone is out for the count, they are unconscious or very deeply asleep.
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- performance bonus — a monetary bonus paid to staff who have performed well in their job
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- periodic function — a function of a real or complex variable that is periodic.
- pincushion flower — scabious2 (def 1).
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- political refugee — a person who has fled from a homeland because of political persecution.
- pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
- pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
- proof of purchase — a document, such as a receipt, etc, that proves that you have purchased or bought something
- proof-of-purchase — a sales slip, label, box top, or other item associated with a product that is presentable as evidence of actual purchase, as for claiming a refund or rebate.
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- rational function — a function that can be written as the quotient of two polynomials with integral coefficients.
- recruiting office — an office where staff are recruited, esp by the military