19-letter words containing r, u, f, i
- sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
- solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- south african dutch — the Boers.
- south san francisco — a city in central California.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sphere of influence — any area in which one nation wields dominant power over another or others.
- staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
- stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
- store refurbishment — Store refurbishment happens when a store needs to be redecorated, modernized or the layout changed. The store will often be closed to customers during this time.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- succession of crops — the continuous cultivation of a crop throughout a season by successive plantings or by the use of varieties with different rates of growth.
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- superannuation fund — a fund used for paying pensions
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- superhigh frequency — any frequency between 3000 and 30,000 megahertz. Abbreviation: SHF.
- surface effect ship — a large, ship-size air cushion vehicle operated over water.
- term life insurance — life insurance for which premiums are paid over a limited time and that covers a specific term, the face value payable only if death occurs within that term.
- theory of equations — the branch of mathematics dealing with methods of finding the solutions to algebraic equations.
- to come full circle — If you say that you have come full circle or have turned full circle, you mean that after a long series of events or changes the same situation that you started with still exists.
- to the prejudice of — to the detriment of
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- trifacial neuralgia — tic douloureux.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- under the influence — the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
- unit of measurement — physical quantity
- unorganized ferment — ferment (def 2).
- upper carboniferous — Pennsylvanian (defs 2, 4).
- venus of willendorf — a village in NE Austria, near Krems: site of an Aurignacian settlement where a 4½ inches (11 cm) limestone statuette (Venus of Willendorf) was found.
- very high frequency — any frequency between 30 and 300 megahertz. Abbreviation: VHF.
- with flying colours — If you pass a test with flying colours, you have done very well in the test.
- without further ado — If you do something without further ado or without more ado, you do it at once and do not discuss or delay it any longer.
- xenon tetrafluoride — a colorless, crystalline compound, XeF 4 , prepared by heating a gaseous mixture of fluorine and xenon.
- yellowtail flounder — a righteyed flounder, Limanda ferruginea, inhabiting waters along the Atlantic coast of North America, having a yellowish tail fin and rusty-red spots on the body: once commercially important, now greatly reduced in number.