18-letter words containing c, h, e, s, i, t
- 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.
- 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.
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- 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
- specialist teacher — a teacher with expertise in working with children with special educational needs, such as dyslexia
- 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
- speech recognition — Computers. the computerized analysis of spoken words in order to identify the speaker, as in security systems, or to respond to voiced commands: the analysis is performed by finding patterns in the spectrum of the incoming sound and comparing them with stored patterns of elements of sound, as phones, or of complete words.
- speech synthesizer — device that imitates human voice
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- spherical triangle — a triangle formed by arcs of great circles of a sphere.
- 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
- substitute teacher — educator: replaces sb temporarily
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- sympathetic strike — sympathy strike.
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- synthetic division — a simplified procedure for dividing a polynomial by a linear polynomial.
- synthetic geometry — elementary geometry, as distinct from analytic geometry.
- 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.
- teaching assistant — a graduate student in a college or university who is the recipient of a teaching fellowship. Abbreviation: TA.
- technical reserves — Technical reserves are amounts of money set aside to pay for underwriting liabilities.
- technical sergeant — a noncommissioned officer ranking below a master sergeant and above a staff sergeant.
- that's the ticket! — that's the correct or proper thing! that's right!
- the baptist church — any of various Protestant churches that believe in the baptism of believers
- the cat's whiskers — a person or thing that is excellent or superior
- 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 dismal science — a name for economics coined by Thomas Carlyle
- 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 practicalities — the real facts or details of a situation, as opposed to its theoretical aspects
- the south atlantic — the part of the Atlantic Ocean that lies to the south of the equator
- the uncircumcision — the gentiles
- thermoluminescence — phosphorescence produced by the heating of a substance.
- thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
- thirty-second note — a note having 1/32 of the time value of a whole note; demi-semiquaver.
- thirty-second rest — a rest equal in value to a thirty-second note.
- threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
- tick all the boxes — to satisfy all of the apparent requirements for success
- to come unstitched — to go wrong or awry
- 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.
- unenthusiastically — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
- warehouse capacity — the amount of storage space in a warehouse
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.