21-letter words containing a, h, o, l, i

rolling in the aisles — (of an audience) overcome with laughter
roman catholic church — the Christian church of which the pope, or bishop of Rome, is the supreme head.
safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
salam-weinberg theory — the electroweak theory.
schlieren photography — a type of photography which records schlieren
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)
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.
secure hash algorithm —
self-characterization — portrayal; description: the actor's characterization of a politician.
silicon tetrachloride — a colorless, fuming liquid, SiCl 4 , used chiefly for making smoke screens and various derivatives of silicon.
single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
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
sovereign wealth fund — an investment fund created using the financial assets of a national government
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.
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.
take sb/sth seriously — If you take someone or something seriously, you believe that they are important and deserve attention.
tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
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 barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
the battle of britain — from August to October 1940, the prolonged bombing of S England by the German Luftwaffe and the successful resistance by the RAF Fighter Command, which put an end to the German plan of invading Britain
the central provinces — the Canadian provinces of Ontario and Quebec
the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
the rock of gibraltar — a limestone promontory at the tip of S Spain
the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
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
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 fall into the trap — If someone falls into the trap of doing something, they think or behave in a way which is not wise or sensible.
to fly in the face of — If an action or belief flies in the face of accepted ideas or rules, it seems to completely oppose or contradict them.
to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
to let your hair down — If you let your hair down, you relax completely and enjoy yourself.
to live hand to mouth — If someone lives hand to mouth or lives from hand to mouth, they have hardly enough food or money to live on.
to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
to take the long view — If you take the long view, you consider what is likely to happen in the future over a long period, rather than thinking only about things that are going to happen soon.
trichloroacetaldehyde — chloral (def 1).
trichloronitromethane — chloropicrin.
triethyl orthoformate — a colorless liquid, C 7 H 16 O 3 , used chiefly in organic synthesis.
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.
twist the lion's tail — a large, usually tawny-yellow cat, Panthera leo, native to Africa and southern Asia, having a tufted tail and, in the male, a large mane.
up hill and down dale — strenuously and persistently
vacation bible school — a religious school conducted by some churches during the summer for students on vacation.
weinberg-salam theory — electroweak theory.
west lothian question — the apparent inconsistency that members of parliament who represent Scottish constituencies are eligible to vote at Westminster on matters that relate only to England, whereas members of parliament from English constituencies are not eligible to vote on Scottish matters

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