17-letter words containing t, y, s, i
- spastic paralysis — a condition in which the muscles affected are marked by tonic spasm and increased tendon reflexes.
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- specific humidity — the ratio of the mass of water vapor in air to the total mass of the mixture of air and water vapor.
- spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- speech difficulty — a problem encountered in speaking
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- split personality — multiple personality.
- spondylolisthesis — the forward displacement of a vertebra.
- st. crispin's day — October 25: anniversary of the Battle of Agincourt (1415).
- st. swithin's day — July 15, superstitiously regarded as a day that, should it rain or be fair, will be followed by 40 consecutive days of like weather.
- stationary engine — an engine mounted in a fixed position, as one used for driving generators, compressors, etc.
- statue of liberty — a large copper statue, on Liberty Island, in New York harbor, depicting a woman holding a burning torch: designed by F. A. Bartholdi and presented to the U.S. by France; unveiled 1886.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- statutory meeting — company shareholders' discussion
- stay of execution — If you are given a stay of execution, you are legally allowed to delay obeying an order of a court of law.
- steamship company — a company which has a fleet of steamships
- steering geometry — Steering geometry is the geometric arrangement of the parts of a steering system, and the value of the lengths and angles within it.
- stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
- stereospecificity — (of a reaction) producing a simple stereoisomer.
- stray capacitance — undesired capacitance in equipment, occurring between the wiring, between the wiring and the chassis, or between components and the chassis
- stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
- subclavian artery — either of a pair of arteries, one on each side of the body, that carry the main supply of blood to the arms.
- suction lipectomy — the removal of fatty tissue by making a small incision in the skin, loosening the fat layer, and withdrawing it by suction.
- suffice it to say — Suffice it to say or suffice to say is used at the beginning of a statement to indicate that what you are saying is obvious, or that you will only give a short explanation.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- sympathetic magic — magic predicated on the belief that one thing or event can affect another at a distance as a consequence of a sympathetic connection between them.
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- synthetic biology — the application of computer science techniques to create artificial biological systems
- synthetic phonics — a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together
- take into custody — to arrest
- tay-sachs disease — a rare fatal hereditary disease, occurring chiefly in infants and children, especially of eastern European Jewish origin, characterized by a red spot on the retina, gradual blindness, and paralysis.
- tertiary consumer — a carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
- tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
- testimony meeting — a meeting at which persons give testimonies of religious faith and related religious experiences.
- that way/this way — You can use that way and this way to refer to a statement or comment that you have just made.
- the pennsylvanian — the Pennsylvanian period or rock system, equivalent to the Upper Carboniferous of Europe
- the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
- thirty years' war — the war, often regarded as a series of wars (1618–48), in central Europe, initially involving a conflict between German Protestants and Catholics and later including political rivalries with France, Sweden, and Denmark opposing the Holy Roman Empire and Spain.
- thistle butterfly — any nymphalid butterfly of the genus Vanessa, as the red admiral or painted lady.
- to lick your lips — If you lick your lips, you move your tongue across your lips as you think about or taste something pleasant.
- to lose your grip — If you lose your grip, you become less efficient and less confident, and less able to deal with things.
- to lose your mind — If you say that someone is losing their mind, you mean that they are becoming mad.
- to risk your neck — If you say that someone is risking their neck, you mean they are doing something very dangerous, often in order to achieve something.
- 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 slip your mind — If something slips your mind, you forget it.
- top-security wing — a wing of a prison, mental hospital, etc that has a very high level of precautions against escape
- transatlantically — crossing or reaching across the Atlantic: a transatlantic liner.
- transitory action — an action that can be brought in any country regardless of where it originated