19-letter words containing d, u, f, s
- sir wilfrid laurier — Sir Wilfrid [wil-frid;; French weel-freed] /ˈwɪl frɪd;; French wilˈfrid/ (Show IPA), 1841–1919, Canadian statesman: prime minister 1896–1911.
- 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.
- soft-shelled turtle — any of numerous aquatic turtles of the family Trionychidae, inhabiting North America, Asia, and Africa, having the shell covered with flexible, leathery skin instead of horny plates.
- solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- sound effects woman — a woman who produces sounds artificially or reproduces them from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop. Such sound effects are used in plays, films, etc
- south african dutch — the Boers.
- 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.
- stratford-upon-avon — town in S Warwickshire, England, on the Avon: birthplace & burial place of Shakespeare: pop. of county district (called Stratford-on-Avon) 106,000
- sulfureted hydrogen — hydrogen sulfide.
- 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.
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- under the shadow of — in danger of; apparently fated for
- 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.