18-letter words containing n, a, c, h, o
- rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
- school for scandal — a comedy of manners (1777) by Richard Brinsley Sheridan.
- school-leaving age — the minimum age that children are legally allowed to leave school - in Britain and the United States, this is 16
- scratch one's head — If you say that someone is scratching their head, you mean that they are thinking hard and trying to solve a problem or puzzle.
- seagate technology — (company) A major manufacturer of hard disk drives, founded in 1979 as "Shugart Technology" by Alan F. Shugart and Finis Conner. That name is on the original patents for the 5.25" hard disk drive. They changed the name to Seagate Technology soon after to avoid confusion, and also to avoid friction with Xerox, which had since purchased Alan's earlier company, Shugart Associates. Address: 920 Disc Drive, Scotts Valley, CA 95066, USA. Fax: +1 (408) 438 3320.
- search-and-destroy — designed to find and destroy by bombing etc
- second-hand dealer — a person who deals in second-hand things, such as cars, or furniture
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- shugart technology — Seagate Technology
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- sociotechnological — of, relating to, or signifying the combination or interaction of social and technological factors.
- sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
- 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.
- sound spectrograph — an electronic device for recording a sound spectogram.
- south saskatchewan — a river in W Canada, flowing E from S Alberta and joining the North Saskatchewan River to form the Saskatchewan River. 865 miles (1392 km) long.
- southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- spaghetti junction — an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
- spanish succession — War of thea war (1701-14) between European powers disputing the succession to the Spanish throne
- stinking chamomile — mayweed.
- store launch event — A store launch event is a special event, which publicizes the opening of a new store and at which discounts and free samples may be offered.
- 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
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- take one's chances — to accept the uncertain outcome as of a course of action
- teacher evaluation — the process of vetting teachers to maintain teaching standards
- technical knockout — the termination of a bout by the referee when it is the judgment of the attending physician, a boxer's seconds, or the referee that a boxer cannot continue fighting without sustaining severe or disabling injury. Abbreviation: TKO, T.K.O.
- telephone exchange — a telecommunications facility to which subscribers' telephones connect, that switches calls among subscribers or to other exchanges for further routing.
- tetrachloromethane — carbon tetrachloride.
- the back of beyond — a very remote place
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the dark continent — a term for Africa when it was relatively unexplored
- the electronic age — the electronic age began when electronic equipment, including computers came into use
- the north atlantic — the northern part of the Atlantic Ocean, especially the waters separating North America and Europe
- the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
- the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
- thermonuclear bomb — hydrogen bomb.
- thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
- thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
- three-cornered hat — a triangular shaped hat which was popular in the 17th and 18th centuries; its turned up brim formed a gutter for catching rain
- to lay it on thick — If someone is laying it on thick or is laying it on, they are exaggerating a statement, experience, or emotion in order to try to impress people.
- 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 pick and choose — If you pick and choose, you carefully choose only things that you really want and reject the others.
- touch-in-goal line — either of the two touchlines at each end of the field between the goal line and the dead-ball line.
- townsend avalanche — avalanche (def 3).
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- unification church — a religious sect that combines elements of Protestantism and Buddhism, founded by the Rev. Sun Myung Moon in 1954: many of its members live in communes sponsored by the sect.
- wheelchair housing — housing designed or adapted for a chairbound person
- white-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.