18-letter words containing c, h, o, y
- shrubby cinquefoil — a small shrub, Potentilla fruticosa, of the rose family, native to the Northern temperate region, having pinnate leaves and numerous, showy, bright-yellow flowers.
- shugart technology — Seagate Technology
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- sociopsychological — of, relating to, or characterized by interrelated social and psychological factors.
- sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
- 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.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- st john chrysostom — Saint John, a.d. 347?–407, ecumenical patriarch of Constantinople.
- stockholm syndrome — an emotional attachment to a captor formed by a hostage as a result of continuous stress, dependence, and a need to cooperate for survival.
- 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
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- 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.
- the back of beyond — a very remote place
- 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 family compact — the ruling oligarchy in Upper Canada in the early 19th century
- the kinetic theory — a theory of gases postulating that they consist of particles of negligible size moving at random and undergoing elastic collisions
- 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
- 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.
- to cool your heels — If you are cooling your heels, someone is deliberately keeping you waiting, so that you get bored or impatient.
- 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.
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- warehouse capacity — the amount of storage space in a warehouse
- with flying colors — with flying colors, with an overwhelming victory, triumph, or success: He passed the test with flying colors.
- yellow honeysuckle — a spreading, twining vine, Lonicera flava, of the southern and eastern U.S., having fragrant, tubular, orange-yellow flowers.
- yelloweye rockfish — a red rockfish, Sebastes ruberrimus, of waters along the Pacific coast of North America, having eyes that are yellow and possessed of strong, sawlike bony ridges on the head.