17-letter words containing u, n, r, f
- farming community — a community where farming is the main industry
- feint-ruled paper — writing paper with light horizontal lines printed across at regular intervals
- felix frankfurter — Felix, 1882–1965, U.S. jurist, born in Austria: associate justice of the U.S. Supreme Court 1939–62.
- fellow countryman — sb of same nationality
- fictitious person — a legal entity or artificial person, as a corporation.
- figure-eight knot — a kind of knot
- financial futures — futures in a stock-exchange index, currency exchange rate, or interest rate enabling banks, building societies, brokers, and speculators to hedge their involvement in these markets
- fire extinguisher — a portable container, usually filled with special chemicals for putting out a fire.
- fire-extinguisher — a portable container, usually filled with special chemicals for putting out a fire.
- first-degree burn — a burned place or area: a burn where fire had ripped through the forest.
- flight instrument — any instrument used to indicate the altitude, attitude, airspeed, drift, or direction of an aircraft.
- floating currency — a currency that is free to fluctuate against other currencies in accordance with market forces
- flower-of-an-hour — a malvaceous Old World herbaceous plant, Hibiscus trionum, having pale yellow flowers with a bladder-like calyx
- flowering currant — an ornamental shrub, Ribes sanguineum, growing to 2 to 3 metres (6 to 9ft) in height, with red, crimson, yellow, or white flowers: family Saxifragaceae
- 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
- folie de grandeur — a delusion of grandeur; megalomania.
- forcing frequency — the frequency of an oscillating force applied to a system
- forward quotation — the price quoted on a forward delivery.
- 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.
- fouquier-tinville — Antoine Quentin [ahn-twan kahn-tan] /ɑ̃ˈtwan kɑ̃ˈtɛ̃/ (Show IPA), 1747?–95, French revolutionist: prosecutor during the Reign of Terror.
- four on the floor — a four-speed manual transmission having the gearshift set into the floor.
- four-on-the-floor — a four-speed manual transmission having the gearshift set into the floor.
- four-part harmony — harmony in which each chord has four tones, creating, in sum, four melodic lines.
- four-star general — high-ranking military officer
- fourier transform — a mapping of a function, as a signal, that is defined in one domain, as space or time, into another domain, as wavelength or frequency, where the function is represented in terms of sines and cosines.
- freedmen's bureau — an agency of the War Department set up in 1865 to assist freed slaves in obtaining relief, land, jobs, fair treatment, and education.
- freight insurance — insurance paid on goods in transport
- 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.
- freund's adjuvant — a water-in-oil emulsion injected with immunogen (Freund's incomplete adjuvant) or with immunogen and killed mycobacteria (Freund's complete adjuvant) to enhance the immune response to the immunogen.
- from soup to nuts — a liquid food made by boiling or simmering meat, fish, or vegetables with various added ingredients.
- full linear group — the group of all nonsingular linear transformations mapping a finite-dimensional vector space into itself.
- 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.
- funicular railway — a short, very steep railway having two parallel sets of tracks, upon each of which runs a car or train raised or lowered by means of a cable that simultaneously lowers or raises the other car or train in such a way that the two are approximately counterbalanced.
- further education — adult education.
- fuss and feathers — an excessively elaborate or pretentious display; ostentation.
- 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.
- guinea-hen flower — checkered lily.
- gulf war syndrome — a group of symptoms occurring in some Gulf War veterans, most commonly including headache and memory loss, muscle pain, skin disorders, fatigue, sleep disturbances, and gastrointestinal and respiratory ailments, possibly caused by exposure to chemical weapons, vaccines, infectious diseases, or other factors.
- hairline fracture — a very fine crack in a bone
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- henry of portugal — ("the Navigator") 1394–1460, prince of Portugal: sponsor of geographic explorations.
- human trafficking — the illegal practice of procuring or trading in human beings for the purpose of prostitution, forced labor, or other forms of exploitation.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrogen fluoride — a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
- immunofluorescent — Of, pertaining to, or using immunofluorescence.
- in double figures — An amount or number that is in single figures is between zero and nine. An amount or number that is in double figures is between ten and ninety-nine. You can also say, for example, that an amount or number is in three figures when it is between one hundred and nine hundred and ninety-nine.