21-letter words containing h, o, p, s, t

scholastic philosophy — the system of philosophy, theology, and teaching that dominated medieval western Europe and was based on the writings of the Church Fathers and (from the 12th century) Aristotle, the Greek philosopher (384–322 bc)
school superintendent — an official whose job is to oversee school administration within a district
scorched earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
scorched-earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
she stoops to conquer — a comedy (1773) by Oliver Goldsmith.
sheppard's correction — a method of correcting the bias in standard deviations and higher moments of distributions that arises from grouping values of the variable.
single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
snappy video snapshot — (hardware) (registered trademark) A frame grabber for the IBM PC designed and marketed by Play, Inc..
snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
social anthropologist — an anthropologist who deals with cultural and social phenomena such as kinship systems or beliefs, esp of nonliterate peoples
sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
somatotrophic-hormone — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
space shuttle orbiter — orbiter (def 1).
spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
spicebush swallowtail — a swallowtail butterfly, Papilio troilus, having a dark body with yellow spots on the forewings and greenish hind wings.
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.
strachey, christopher — Christopher Strachey
structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
sympathetic vibration — a vibration induced by resonance.
symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
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 put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
to shoot from the hip — If you say that someone shoots from the hip or fires from the hip, you mean that they react to situations or give their opinion very quickly, without stopping to think.
triple superphosphate — superphosphate (def 2).
triple-superphosphate — Also called acid phosphate. a mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer.
up to the elbows with — busily occupied with; deeply immersed in

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