18-letter words containing f, e, i, s
- sixth-form college — (in England and Wales) a college offering A-level and other courses to pupils over sixteen from local schools, esp from those that do not have sixth forms
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
- smooth fox terrier — a breed of short-haired fox terrier with a mostly white, smooth coat.
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- soda-lime feldspar — plagioclase.
- sodium hyposulfite — sodium thiosulfate.
- sodium polysulfide — a yellow-brown, water-soluble, granular powder, Na 2 S n , used chiefly in the manufacture of sulfur dyes, insecticides, and synthetic rubber.
- sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
- soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
- soldier of fortune — a person who independently seeks pleasure, wealth, etc., through adventurous exploits.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- specific viscosity — a measure of the resistance to flow of a fluid, expressed as the ratio of the absolute viscosity of the fluid to that of a reference fluid (usually water in the case of liquids)
- spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
- squinting modifier — a word or phrase that can modify either the words that precede it or those that follow, as frequently in the sentence Studying frequently is tedious.
- state of the union — A State of the Union speech or address is a speech, given once a year, in which the president of the United States talks about the current political issues that affect the country as a whole and about his plans for the year ahead.
- statement of claim — law: first pleading
- stepping-off place — jumping-off place (def 2).
- stinking goosefoot — a European goosefoot with foul-smelling leaves
- strait of magellan — a strait between the mainland of S South America and Tierra del Fuego, linking the S Pacific with the S Atlantic. Length: 600 km (370 miles). Width: up to 32 km (20 miles)
- street certificate — a certificate showing ownership of a specified number of shares of stock: endorsed by the owner and guaranteed by a broker, it may be traded without formal transfer on the books of the corporation issuing the stock.
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- sulfuric anhydride — sulfur trioxide.
- sunflower seed oil — the oil extracted from sunflower seeds, used as a salad oil, in the manufacture of margarine, etc
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- tale of two cities — a historical novel (1859) by Dickens.
- the bird has flown — the person in question has fled or escaped
- the final solution — the code name used by the Nazis to refer to the plan of mass murder of the Jews
- the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- throw oneself into — to propel or cast in any way, especially to project or propel from the hand by a sudden forward motion or straightening of the arm and wrist: to throw a ball.
- time of one's life — the system of those sequential relations that any event has to any other, as past, present, or future; indefinite and continuous duration regarded as that in which events succeed one another.
- to be said for sth — If you say there is a lot to be said for something, you mean you think it has a lot of good qualities or aspects.
- to find one's feet — If you say that someone is finding their feet in a new situation, you mean that they are starting to feel confident and to deal with things successfully.
- to get wind of sth — If you get wind of something, you hear about it, especially when someone else did not want you to know about it.
- to play favourites — to display favouritism
- to save one's life — If you say that someone cannot do something to save their life, you are emphasizing that they do it very badly.
- to twist the knife — If you twist the knife or if you turn the knife in someone's wound, you do or say something to make an unpleasant situation they are in even more unpleasant.
- torsion-free group — a group in which every element other than the identity has infinite order.
- transfinite number — an infinite cardinal or ordinal number.
- transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- treaty of rijswijk — a treaty signed at Rijswijk in the Netherlands in 1697, ending the War of the Grand Alliance
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- tufted loosestrife — a primulaceous plant Naumburgia thyrsiflora
- tune someone grief — to annoy or harass someone
- turn in on oneself — to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems
- under the aegis of — guided or protected by