19-letter words containing u, r, a, o
- fluophosphoric acid — fluorophosphoric acid.
- fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
- focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
- focal-plane shutter — a camera shutter situated directly in front of the film.
- forensic accountant — an accountant who specializes in applying accountancy skills to the purposes of the law
- four-o'clock family — the plant family Nyctaginaceae, characterized by chiefly tropical herbaceous plants and shrubs having colored, petallike bracts beneath petalless flowers and winged or grooved dry fruit, and including the bougainvillea and four-o'clock.
- fractional currency — coins or paper money of a smaller denomination than the basic monetary unit.
- frameshift mutation — a mutation caused by frameshift.
- franco-prussian war — the war between France and Prussia, 1870–71.
- free alongside quay — (of a shipment of goods) delivered to the quay without charge to the buyer
- freeze-frame button — a control button on a remote control device, used to stop a moving image to view it as a still
- functional currency — Functional currency is the main currency used by a business.
- gastrocolic omentum — the peritoneal fold attached to the stomach and the colon and hanging over the small intestine.
- geneva nomenclature — an internationally accepted system for naming organic carbon compounds.
- geomagnetic equator — an imaginary line on the earth's surface, the plane of which passes through the center and is midway between the geomagnetic poles.
- get one's dander up — to become or to cause someone to become annoyed or angry
- go to rack and ruin — If you say that a place is going to rack and ruin, you are emphasizing that it is slowly becoming less attractive or less pleasant because no-one is bothering to look after it.
- go under the hammer — to be offered for sale by an auctioneer
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- grand duke nicholas — of Cusa [kyoo-zuh] /ˈkyu zə/ (Show IPA), 1401–1464, German cardinal, mathematician, and philosopher. German Nikolaus von Cusa.
- granuloma inguinale — a venereal disease marked by deep ulceration of the skin of the groin and external genitals, caused by the bacterium Calymmatobacterium granulomatis.
- gratuitous contract — a contract for the benefit of only one of the parties, the other party receiving nothing as consideration.
- green mountain boys — the members of the armed bands of Vermont organized in 1770 to oppose New York's territorial claims. Under Ethan Allen they won fame in the War of American Independence
- grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
- ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
- guillaume de lorris — 13th-century French poet who wrote the first 4058 lines of the allegorical romance, the Roman de la rose, continued by Jean de Meung
- gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- haul over the coals — a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Compare anthracite, bituminous coal, lignite.
- haute vulgarisation — vulgarization, or popularization, on a higher level, esp. as done by academics, scholars, etc.
- heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
- henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
- hermitian conjugate — adjoint (def 2).
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
- human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
- huntington's chorea — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hydroxybutyric acid — ketone body.
- hydroxydaunorubicin — Doxorubicin.
- idea of pure reason — any of the three undemonstrable entities (a personal soul, a cosmos, and a supreme being) implicit in the fact of a subject and an object of knowledge, and in the need for some principle uniting them.
- immunoprecipitation — the separation of an antigen from a solution by the formation of a large complex with its specific antibody.
- incommensurableness — (rare) Incommensurability.
- incomplete fracture — a fracture extending partly across the bone.
- index expurgatorius — a list of books now included in the Index Librorum Prohibitorum, forbidden to be read except from expurgated editions.
- induction hardening — a process in which the outer surface of a metal component is rapidly heated by means of induced eddy currents. After rapid cooling the resulting phase transformations produce a hard wear-resistant skin
- instrumentalisation — (philosophy) The treatment of an idea as an instrument that functions as a guide to action.
- instrumentalization — Alternative spelling of instrumentalisation.
- inter-institutional — of, relating to, or established by institution.
- internal-combustion — of or relating to an internal-combustion engine.