21-letter words containing s, e, p, o

sport utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
sport-utility vehicle — a rugged vehicle with a trucklike chassis and four-wheel drive, designed for occasional off-road use. Abbreviation: SUV.
spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
st. christopher-nevis — St. Kitts-Nevis.
stabilization-process — the act or process of stabilizing or the state of being stabilized.
steady-state response — A steady-state response is the behavior of a circuit after a long time when steady conditions have been reached after an external excitation.
step-down transformer — a device that transfers an alternating current from one circuit to one or more other circuits with a decrease of voltage
stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
stop loss reinsurance — Stop loss reinsurance is a form of reinsurance under which the reinsurer pays the cedant's losses in any year over a particular percentage of the earned premium.
strachey, christopher — Christopher Strachey
student participation — the extent to which students participate or involve themselves in a class, course, etc
subjective complement — subject complement.
subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
sun protection factor — SPF.
supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
supply-side economics — a school of economic thought that emphasizes the importance to a strong economy of policies that remove impediments to supply
surface of projection — the surface upon which an image or a set of points is projected.
sweet spirit of nitre — ethyl nitrite spirit.
sympathetic vibration — a vibration induced by resonance.
symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
take someone prisoner — to capture and hold someone as a prisoner, esp as a prisoner of war
tape operating system — (operating system) (TOS) An IBM operating system for System 360, used in the early days around 1965 to support the IBM 360 model 30 et al. TOS was a predecessor to IBM's Disk Operating System. TOS died out really early as disks such as the 2311 and 2314 became common with the IBM 360 whereas thet had been a real luxury on the IBM 7090.
temperature inversion — inversion (def 12).
tenure track position — a position or office that carries with it the opportunity to eventually obtain tenure or the right to permanent employment
terrestrial telescope — a refracting telescope having inverting lenses or an eyepiece that presents an erect image.
the acting profession — actors considered as a group
the antipodes islands — a group of small uninhabited islands in the South Pacific, southeast of and belonging to New Zealand. Area: 62 sq km (24 sq miles)
the central provinces — the Canadian provinces of Ontario and Quebec
the end of one's rope — the end of one's endurance, resources, etc.
the oldest profession — prostitution
the origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
the press association — the national news agency for the United Kingdom and Ireland
the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
the slough of despond — a state of extreme despondency, depression or degradation
theater of operations — the part of the theater of war, including a combat zone and a communications zone, that is engaged in military operations and their support.
theoretical physicist — a scientist who studies theoretical physics
thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
thermal power station — a power station in which heat is converted into electricity
thermophosphorescence — thermoluminescence.
threshold wage policy — a policy whereby wages are increased in accordance with inflation
to be a hospital case — if you say that someone or something is a hospital case, you mean that they need urgent help because they are doing very badly
to be mixed up in sth — if you are mixed up in something, usually something bad, you are involved in it
to blow sth wide open — to expose something
to mix your metaphors — If you mix your metaphors, you use two conflicting metaphors. People do this accidentally, or sometimes deliberately as a joke.
to move the goalposts — If you accuse someone of moving the goalposts, you mean that they have changed the rules in a situation or an activity, in order to gain an advantage for themselves and to make things difficult for other people.
to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
to pull someone's leg — If you are pulling someone's leg, you are teasing them by telling them something shocking or worrying as a joke.
to put one over on sb — If someone puts one over on you, they make you do or believe something by telling you things that are not true.
to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.

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