16-letter words containing o, a, s, i
- sulu archipelago — an island group in the SW Philippines, separating the Sulawesi Sea from the Sulu Sea. 1086 sq. mi. (2813 sq. km). Capital: Jolo.
- summa theologica — a philosophical and theological work (1265–74) by St. Thomas Aquinas, consisting of an exposition of Christian doctrine.
- summation method — a method for associating a sum with a divergent series.
- summational tone — a musical sound sometimes heard when two loud notes are sounded together, higher in pitch than either
- summer complaint — 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.
- sun-dried tomato — tomato dried in the sun
- super-patriotism — a person who is patriotic to an extreme.
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- superior general — the superior of an order or congregation.
- supernationalism — an extreme or fanatical loyalty or devotion to a nation.
- superunification — a theory intended to describe the electromagnetic force, the strong force, the weak force, and gravity as a single, unified force.
- supporting actor — performer: not lead
- supranationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
- surveyor's chain — a series of objects connected one after the other, usually in the form of a series of metal rings passing through one another, used either for various purposes requiring a flexible tie with high tensile strength, as for hauling, supporting, or confining, or in various ornamental and decorative forms.
- swedenborgianism — of or relating to Emanuel Swedenborg, his religious doctrines, or the body of followers adhering to these doctrines and constituting the Church of the New Jerusalem, or New Church.
- sweet almond oil — almond oil (def 1).
- swiss tournament — (in certain games and sports) a tournament system in which players are paired in each round according to the scores they then have, playing a new opponent each time. More players can take part than in an all-play-all tournament of the same duration
- symbolical books — the books containing the creeds, beliefs, or doctrine of religious groups that have emerged since the Reformation
- syncategorematic — Traditional Logic. of or relating to a word that is part of a categorical proposition but is not a term, as all, some, is.
- sysdeco mimer ab — (company) Part of the international software group Sysdeco Group AS. They developed the MIMER RDBMS. Address: Uppsala, Sweden.
- system on a chip — A system on a chip combines most of a system's elements on a single integrated circuit or chip.
- systematic error — a persistent error that cannot be attributed to chance.
- taunus mountains — a mountain range in W Germany, bounded by the Rhine, Main, and Lahn river valleys. Highest peak, Grosser Feldberg. 2628 feet (801 meters).
- taurus mountains — a mountain range in S Turkey, parallel to the Mediterranean coast: crossed by the Cilician Gates; continued in the northeast by the Anti-Taurus range. Highest peak: Kaldi Dağ, 3734 m (12 251 ft)
- technical school — college of further and vocational education
- tension headache — a headache caused by muscle tension resulting from stress or overwork
- texas revolution — a revolutionary movement, 1832–36, in which U.S. settlers asserted their independence from Mexico and established the republic of Texas.
- the amazon basin — the catchment area of the River Amazon
- the home nations — the countries that make up the United Kingdom: England, N. Ireland, Scotland & Wales
- the lion's share — the largest portion
- the noes have it — there is a majority of votes in the negative
- the roaring days — the period of the Australian goldrushes
- the south island — the largest island of New Zealand, separated from the North Island by the Cook Strait. Pop: 1 048 200 (2013 est). Area: 153 947 sq km (59 439 sq miles)
- thermoanesthesia — thermanesthesia.
- thermoplasticity — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thioarsenic acid — any of three hypothetical acids, H3AsS4, HAsS3, and H4As2S7, known only in the forms of their salts
- thousand islands — a group of about 1500 islands between the US and Canada, in the upper St Lawrence River: administratively divided between the two countries
- to call it quits — If you say that you are going to call it quits, you mean that you have decided to stop doing something or being involved in something.
- to coin a phrase — You say 'to coin a phrase' to show that you realize you are making a pun or using a cliché.
- to mean business — If you say that someone means business, you mean they are serious and determined about what they are doing.
- to miss the boat — If you say that someone has missed the boat, you mean that they have missed an opportunity and may not get another.
- to pass the time — If you do something to pass the time you do it because you have some time available and not because you really want to do it.
- to pay dividends — If something pays dividends, it brings advantages at a later date.
- to rest in peace — If you express the wish that a dead person may rest in peace, you are showing respect and sympathy for him or her. 'Rest in peace' or 'RIP' is also sometimes written on gravestones.
- to stake a claim — If you stake a claim, you say that something is yours or that you have a right to it.
- to waste no time — If you waste no time in doing something, you take the opportunity to do it immediately or quickly.
- tobacco industry — business of selling smoking products
- tokugawa iyeyasu — Tokugawa [taw-koo-gah-wah] /ˈtɔ kuˈgɑ wɑ/ (Show IPA), 1542–1616, Japanese general and public servant.
- topical-sentence — a sentence that expresses the essential idea of a paragraph or larger section, usually appearing at the beginning.
- topsail schooner — a sailing vessel fore-and-aft rigged on all of two or more masts with square sails above the foresail, and often with a square sail before the foresail.