18-letter words containing h, o, s, t, i, l
- september holidays — a period of time in September when people do not have to go to school, college or work
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- short-tailed shrew — a grayish-black shrew, Blarina brevicauda, common in eastern North America, that has a tail less than half the length of the body.
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- sixth-form college — (in England and Wales) a college offering A-level and other courses to pupils over sixteen from local schools, esp from those that do not have sixth forms
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
- sociotechnological — of, relating to, or signifying the combination or interaction of social and technological factors.
- sodium hyposulfite — sodium thiosulfate.
- sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
- spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- stinking chamomile — mayweed.
- stoichiometrically — of or relating to stoichiometry.
- stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- telephone sex line — a telephone line operated by a phone-sex worker that offers phone sex to paying customers
- the bird has flown — the person in question has fled or escaped
- the bottomless pit — the underworld; hell
- the coast is clear — If you say that the coast is clear, you mean that there is nobody around to see you or catch you.
- the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
- the hotel industry — the branch of the services industry which provides hotels
- the magnolia state — a nickname referring to Mississippi
- the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
- the sun also rises — a novel (1926) by Ernest Hemingway.
- there's no telling — You use there's no telling to introduce a statement when you want to say that it is impossible to know what will happen in a situation.
- thermoluminescence — phosphorescence produced by the heating of a substance.
- thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- throw oneself into — to propel or cast in any way, especially to project or propel from the hand by a sudden forward motion or straightening of the arm and wrist: to throw a ball.
- tick all the boxes — to satisfy all of the apparent requirements for success
- tighten one's belt — a band of flexible material, as leather or cord, for encircling the waist.
- to lick into shape — If you lick, knock, or whip someone or something into shape, you use whatever methods are necessary to change or improve them so that they are in the condition that you want them to be in.
- to raise the alarm — If you raise the alarm or sound the alarm, you warn people of danger.
- to spill the beans — If you spill the beans, you tell someone something that people have been trying to keep secret.
- transit theodolite — a theodolite having a telescope that can be transited.
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- wireless telephone — Now Rare. radiotelephony.
- wireless telephony — Now Rare. radiotelephony.
- with flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
- withdrawal symptom — effects of stopping a drug