15-letter words containing s, h, u, d
- sodium chloride — salt1 (def 1).
- sodium ethylate — a white, hygroscopic powder, C 2 H 5 ONa, that is decomposed by water into sodium hydroxide and alcohol: used chiefly in organic synthesis.
- sodium sulphate — a solid white substance that occurs naturally as thenardite and is usually used as the white anhydrous compound (salt cake) or the white crystalline decahydrate (Glauber's salt) in making glass, detergents, and pulp. Formula: Na2SO4
- sound-and-light — combining sound effects or music with unusual lighting displays: to promote a product with a spectacular sound-and-light presentation.
- southeastwardly — toward the southeast
- southend-on-sea — a seaport in SE Essex, in SE England, on Thames estuary.
- southwestwardly — toward the southwest
- spotted sunfish — a sunfish, Lepomis punctatus, inhabiting streams from South Carolina to Florida, having the body marked with longitudinal rows of spots.
- staggered hours — a system of working in which the employees of an organization do not all arrive and leave at the same time, but have large periods of overlap
- student teacher — a student who is studying to be a teacher and who, as part of the training, observes classroom instruction or does closely supervised teaching in an elementary or secondary school.
- studhorse poker — stud poker.
- subject heading — a title or heading of a category, esp in a bibliography or index
- succedent house — any of the four houses that fall between the angular and cadent houses: the second, fifth, eighth, and eleventh houses, which correspond, respectively, to possessions and values, love and creation, shared possessions and resources, and friends and social concerns.
- suicide machine — a device designed to permit a terminally ill person to commit suicide, as by the automatic injection of a lethal drug.
- sully-prudhomme — René François Armand [ruh-ney frahn-swa ar-mahn] /rəˈneɪ frɑ̃ˈswa arˈmɑ̃/ (Show IPA), 1839–1907, French poet: Nobel prize 1901.
- sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- summer diarrhea — an acute condition of diarrhea, occurring during the hot summer months chiefly in infants and children, caused by bacterial contamination of food and associated with poor hygiene.
- summer holidays — the time when children do not go to school in the summer
- superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
- the midas touch — ability to make money
- the undersigned — the person or persons who have signed at the foot of a document, statement, etc
- thermodiffusion — thermal diffusion.
- thousand island — of or relating to the Thousand Islands or their inhabitants
- thunderstricken — Archaic. to strike with a thunderbolt.
- thursday island — an island in Torres Strait between NE Australia and New Guinea; part of Queensland: pearl fishing. 1½ sq. mi. (4 sq. km).
- toughened glass — glass that has been made stronger using chemical or thermal treatments so that it will not break easily
- turkish delight — a candy made of fruit juice and gelatin, cubed and dusted with sugar.
- two-thirds rule — a former rule in the Democratic Party, effective 1832–1936, requiring a vote of at least two thirds of its national convention delegates to nominate a presidential and vice-presidential candidate.
- u-shaped valley — a steep-sided valley caused by glacial erosion
- unanaesthetized — not anaesthetized
- under one's hat — a shaped covering for the head, usually with a crown and brim, especially for wear outdoors.
- underhandedness — underhand.
- underresearched — diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.: recent research in medicine.
- undistinguished — having no distinguishing marks or features.
- uninhibitedness — the state or quality of being uninhibited
- unpolished rice — a partly refined rice, hulled and deprived of its germ but retaining some bran.
- unsophisticated — not sophisticated; simple; artless.