18-letter words containing o, s, p, r

superior vena cava — See under vena cava.
superstring theory — any supersymmetric string theory in which each type of elementary particle is treated as a vibration of a single fundamental string (superstring) at a particular frequency.
supporting actress — an actress playing a supporting role
supportive therapy — any treatment, such as the intravenous administration of certain fluids, designed to reinforce or sustain the physiological well-being of a patient
supraorbital ridge — browridge.
surveyor's compass — an instrument used by surveyors for measuring azimuths.
sustaining program — a radio or television program without a commercial sponsor.
symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
systems programmer — a person whose job is to program systems software
take the wraps off — to reveal
temporal summation — the act or process of summing.
temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
the lords temporal — (in Britain) peers other than bishops in their capacity as members of the House of Lords
the powers that be — You can refer to people in authority as the powers that be, especially when you want to say that you disagree with them or do not understand what they say or do.
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
to all appearances — apparently
to cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
to get a bad press — If someone or something gets a bad press, they are criticized, especially in the newspapers, on television, or on radio. If they get a good press, they are praised.
to learn the ropes — If you are learning the ropes, you are learning how a particular task or job is done.
to play favourites — to display favouritism
to put years on sb — if you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older
to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
to spill your guts — if someone spills their guts, they tell you everything about something secret or private
to sweep the board — If someone sweeps the board in a competition or election, they win nearly everything that it is possible to win.
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.
torsion-free group — a group in which every element other than the identity has infinite order.
transient response — A transient response of a circuit is a temporary change in the way that it behaves due to an external excitation, that will disappear with time.
transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
transverse process — a process that projects from the sides of a vertebra.
triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
turn up one's nose — to behave disdainfully towards (something)
turn up one's toes — to die
two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
under-compensation — to compensate or pay less than is fair, customary, or expected.
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.
universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
up to one's tricks — If you say that someone is up to their tricks or up to their old tricks, you disapprove of them because they are behaving in the dishonest or deceitful way in which they typically behave.
visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.
visitor's passport — (formerly, in Britain) a passport, valid for one year and for certain countries only, that could be purchased from post offices
warehouse capacity — the amount of storage space in a warehouse
western isles pony — a breed of large pony, typically grey, with a dense waterproof coat. The only surviving variety is the Eriskay pony
white iron pyrites — marcasite
wild passionflower — the maypop, Passiflora incarnata.
wilson's phalarope — a phalarope, Phalaropus tricolor, that breeds in the prairie regions of North America and winters in Argentina and Chile.
wireless telephone — Now Rare. radiotelephony.
wireless telephony — Now Rare. radiotelephony.
withdrawal symptom — effects of stopping a drug
women at point sur — a narrative poem (1927) by Robinson Jeffers.

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