18-letter words containing y, a, c

special relativity — the state or fact of being relative.
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
sperry corporation — (company) The company which merged with the Burroughs Corporation to form Unisys Corporation. Divisions included Sperry Univac, Sperry Flight Systems, and others. Some of these were sold off after the merger.
spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
state of emergency — If a government or other authority declares a state of emergency in an area, it introduces special measures such as increased powers for the police or army, usually because of civil disorder or because of a natural disaster such as an earthquake.
static electricity — a stationary electric charge built up on an insulating material.
stationary bicycle — an exercise bike
statutory sick pay — the pay an employee is legally entitled to when sick
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
structural geology — the branch of geology dealing with the structure and distribution of the rocks that make up the crust of the earth. Also called tectonics. Compare structure (def 7a).
study hall teacher — a teacher who supervises or helps students during a period of time or lesson used for studying
subsidiary company — a company whose controlling interest is owned by another company.
sulfuric anhydride — sulfur trioxide.
summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
super royal octavo — a book size, 63⁄4 by 101⁄4 inches
superciliary ridge — browridge.
surveyor's compass — an instrument used by surveyors for measuring azimuths.
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.
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.
television company — a company that broadcasts programmes by television
tertiary education — education, following secondary education at a school, at a college or university
tertiary structure — the way in which the helixes or beta structures of a polypeptide are folded or arranged into a three-dimensional configuration.
the back of beyond — a very remote place
the family compact — the ruling oligarchy in Upper Canada in the early 19th century
the-cocktail-party — a play in verse (1950) by T. S. Eliot.
theater of cruelty — a form of surrealist theater originated by Antonin Artaud and emphasizing the cruelty of human existence by portraying sadistic acts and intense suffering.
theatre of cruelty — a type of theatre advocated by Antonin Artaud in Le Théâtre et son double that seeks to communicate to its audience a sense of pain, suffering, and evil, using gesture, movement, sound, and symbolism rather than language
thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
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 meet your match — If you meet your match, you find that you are competing or fighting against someone who you cannot beat because they are as good as you, or better than you.
to take the mickey — If you take the mickey out of someone or something, you make fun of them, usually in an unkind way.
to watch your step — If someone tells you to watch your step, they are warning you to be careful about how you behave or what you say so that you do not get into trouble.
too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
track geometry car — a railroad car equipped with instruments for providing a continuous printed record of the cross level, gauge, alignment, warp, curvature, and bank of a track.
traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
translation agency — an organization that provide people to translate speech or writing into a different language
treasury secretary — the head of the United States Department of the Treasury, the government department in the United States which is responsible for money and finance
two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
unconstitutionally — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
under lock and key — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
unenthusiastically — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
unisys corporation — (company) The company formed in 1984-5 when Burroughs Corporation merged with Sperry Corporation. This was when the phrase "dinosaurs mating" was coined. Unisys is one of the largest providers of information services, technology, and software in the world. They employ about 49,000 people and do business in some 100 countries. In 1994 about 80 percent of revenue was derived from commercial information systems and services, with the remainder coming from electronic systems and services for the defense market. The defense business was sold to Loral in early 1995. Slightly more than half of Unisys's revenue is from business in the United States. They specialise in providing business-critical solutions, based on open information networks, for organisations that operate in transaction-intensive environments. These organisations include financial services companies, airlines, telecommunications companies, government agencies, and other commercial enterprises. In August 1994, quarterly sales were $1799M and profits $50M.

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