19-letter words containing s, i, o, u

staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
standing broad jump — a jump for distance from a standing position.
stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
stick to one's guns — a weapon consisting of a metal tube, with mechanical attachments, from which projectiles are shot by the force of an explosive; a piece of ordnance.
store refurbishment — Store refurbishment happens when a store needs to be redecorated, modernized or the layout changed. The store will often be closed to customers during this time.
strict counterpoint — the application of the rules of counterpoint as an academic exercise
strontium hydroxide — a white, slightly water-soluble powder, Sr(OH) 2 , or its crystalline octahydrate (strontium hydrate) used chiefly in the refining of beet sugar.
subsistence economy — an economy which produces only enough output for its own consumption and does not attempt to accumulate wealth
substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
succession of crops — the continuous cultivation of a crop throughout a season by successive plantings or by the use of varieties with different rates of growth.
sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
sulphonium compound — any one of a class of salts derived by the addition of a proton to the sulphur atom of a thiol or thio-ether thus producing a positive ion (sulphonium ion)
superannuation fund — a fund used for paying pensions
superiority complex — an exaggerated feeling of one's own superiority.
supreme de volaille — suprême (def 2).
suspended animation — a state of temporary cessation of the vital functions.
suspension geometry — Suspension geometry is the geometric arrangement of the parts of a suspension system, and the value of the lengths and angles within it.
suspensory ligament — any of several tissues that suspend certain organs or parts of the body, especially the transparent, delicate web of fibrous tissue that supports the crystalline lens.
swimming instructor — sb who teaches people to swim
synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
tear one's hair out — the act of tearing.
tehachapi mountains — a transverse (E–W) mountain range in S central California. Highest peak, Double Mountain, 7982 feet (2433 meters).
telescopic umbrella — an umbrella having parts that telescope
the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
the finishing touch — If you add the finishing touches to something, you add or do the last things that are necessary to complete it.
the open university — (in Britain) a university founded in 1969 for mature students studying by television and radio lectures, correspondence courses, local counselling, and summer schools
theological virtues — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
theory of equations — the branch of mathematics dealing with methods of finding the solutions to algebraic equations.
thrust augmentation — an increase in the thrust of a jet or rocket engine, as by afterburning or reheating.
to be running short — If you are running short of something or running low on something, you do not have much of it left. If a supply of something is running short or running low, there is not much of it left.
to be up shit creek — to be in an extremely bad situation
to click your heels — If someone such as a soldier clicks their heels, they make a sound by knocking the heels of their shoes together when saluting or greeting someone.
to give sb a leg up — to help with climbing
to lick your wounds — If you say that someone is licking their wounds, you mean that they are recovering after being defeated or made to feel ashamed or unhappy.
to pop the question — If you pop the question, you ask someone to marry you.
to rack your brains — If you rack your brains, you try very hard to think of something.
to shudder to think — If you say that you shudder to think what would happen in a particular situation, you mean that you expect it to be so bad that you do not really want to think about it.
to stick out a mile — If you say that something or someone sticks out a mile or stands out a mile, you are emphasizing that they are very obvious and easy to recognize.
to take the biscuit — If someone has done something very stupid, rude, or selfish, you can say that they take the biscuit or that what they have done takes the biscuit, to emphasize your surprise at their behaviour.
to the exclusion of — If you do one thing to the exclusion of something else, you only do the first thing and do not do the second thing at all.
to wet your whistle — To wet your whistle means to have a drink.
traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
training instructor — a person who teaches people the skills they need for a particular field or profession
trisodium phosphate — sodium phosphate (def 3).
trusteeship council — a United Nations body that supervises the government of a territory by a foreign country
turn sth inside out — If someone turns a place inside out or upside down, they search it very thoroughly and usually make it very untidy.
tussock caterpillar — the larva of a tussock moth.
twenty-six counties — the counties of the Republic of Ireland

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