17-letter words containing s, o, t, h, f
- south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
- south west africa — a former name of Namibia.
- south-west africa — a former name of Namibia.
- southern studfish — See under studfish.
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- spoonbill catfish — flathead catfish.
- star of bethlehem — the star that is supposed to have appeared above Bethlehem at the birth of Christ
- star-of-bethlehem — any of several plants belonging to the genus Ornithogalum, of the lily family, having grasslike leaves and clusters of white flowers.
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- teaching software — computer software for use in providing online education
- the age of reason — the 18th century in W Europe
- the bag of tricks — every device; everything
- the carboniferous — the Carboniferous period or rock system
- the depths of sth — the deepest, most intense, or most severe part
- the facts of life — the details of sexual behaviour and reproduction, esp as told to children
- the first line of — If you refer to a method as the first line of, for example, defence or treatment, you mean that it is the first or most important method to be used in dealing with a problem.
- the life and soul — a person regarded as the main source of merriment and liveliness
- the right side of — in favour with
- the sound of mull — the water that separates the island of Mull from the mainland of Scotland
- the south pacific — the part of the Pacific Ocean to the south of the equator
- the tet offensive — an offensive launched in January–February 1968 by the North Vietnamese Army and the Vietcong. Coinciding with the first day of the Tet, it was a surprise attack on South Vietnamese cities, including Saigon
- theory of numbers — number theory.
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- think in terms of — If you say that you are thinking in terms of doing a particular thing, you mean that you are considering it.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- thuringian forest — a forested mountain region in central Germany: a resort area.
- to fan the flames — If someone or something fans the flames of a situation or feeling, usually a bad one, they make it more intense or extreme in some way.
- to raise the roof — If a group of people inside a building raise the roof, they make a very loud noise, for example by singing or shouting.
- to say nothing of — You use to say nothing of when you mention an additional thing which gives even more strength to the point you are making.
- to show your face — If you show your face somewhere, you go there and see people, although you are not welcome, are rather unwilling to go, or have not been there for some time.
- tower of strength — a building or structure high in proportion to its lateral dimensions, either isolated or forming part of a building.
- turn of the screw — a short novel (1898) by Henry James.
- twenty-four hours — the time taken by the Earth to make a complete rotation on its axis; a whole day
- under the sign of — during that portion of the year when the sun is passing through and thus subject to the influence of (a specified sign of the zodiac)
- utmost good faith — a principle used in insurance contracts, legally obliging all parties to reveal to the others any information that might influence the others' decision to enter into the contract
- veiltail goldfish — an artificially bred, indoor variety of goldfish, usually golden or calico and of a spheroid shape, having a fully divided, drooping tail fin exceeding the body in length.
- ventilation shaft — a shaft in a mine, tunnel, or building used for providing ventilation or fresh air
- wars of the roses — the civil struggle between the royal house of Lancaster, whose emblem was a red rose, and the royal house of York, whose emblem was a white rose, beginning in 1455 and ending with the accession of Henry VII in 1485 and the union of the two houses.
- wings of the dove — a novel (1902) by Henry James.