19-letter words containing a, u, t, o, n, i
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- senatorial courtesy — the practice in the U.S. Senate of confirming only those presidential appointees approved by both senators from the state of the appointee, or by the senior senator of the president's party.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- sexual inter-course — genital contact, especially the insertion of the penis into the vagina followed by orgasm; coitus; copulation.
- sexual reproduction — reproduction involving the union of gametes.
- sexual stereotyping — the formation or promotion of a fixed general idea or image of how men and women will behave
- short-tail business — Short-tail business is insurance business where it is known that claims will be made and settled quickly.
- simulation analysis — (language, simulation) (SIMAN) A simulation language, especially for manufacturing systems, developed by C. Dennis Pegden in 1983.
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- solar neutrino unit — Astronomy. a unit equal to 10 −36 neutrino captures per second per target atom, used as a measure of the flux of neutrino radiation from the sun. Abbreviation: SNU.
- south african dutch — the Boers.
- south pacific ocean — the part of the Pacific Ocean extending S from the Equator to the Antarctic continent.
- south san francisco — a city in central California.
- spanish inquisition — the Inquisition in Spain, under state control from 1480 to 1834, marked by the extreme severity and cruelty of its proceedings in the 16th century.
- speaking in tongues — a form of glossolalia in which a person experiencing religious ecstasy utters incomprehensible sounds that the speaker believes are a language spoken through him or her by a deity.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- staff-student ratio — the ratio of teachers to pupils or students in a school, college, or university
- standing broad jump — a jump for distance from a standing position.
- stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- superannuation fund — a fund used for paying pensions
- suspended animation — a state of temporary cessation of the vital functions.
- suspensory ligament — any of several tissues that suspend certain organs or parts of the body, especially the transparent, delicate web of fibrous tissue that supports the crystalline lens.
- tanizaki jun-ichiro — 1886–1965, Japanese novelist, whose works, such as Some Prefer Nettles (1929) and The Makioka Sisters (1943–48), reflect the tension between Western values and Japanese traditions
- tear one's hair out — the act of tearing.
- tehachapi mountains — a transverse (E–W) mountain range in S central California. Highest peak, Double Mountain, 7982 feet (2433 meters).
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the vatican council — the second Ecumenical Council of the Vatican, also known as Vatican II, which sat from 1962 to 1965, and among other things allowed the liturgy to be said in the local language, not Latin
- theory of equations — the branch of mathematics dealing with methods of finding the solutions to algebraic equations.
- therapeutic cloning — the permitted creation of cloned human tissues for surgical transplant
- thrust augmentation — an increase in the thrust of a jet or rocket engine, as by afterburning or reheating.
- to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
- to rack your brains — If you rack your brains, you try very hard to think of something.
- to turn a blind eye — If you say that someone is turning a blind eye to something bad or illegal that is happening, you mean that you think they are pretending not to notice that it is happening so that they will not have to do anything about it.
- torricellian vacuum — the vacuum at the top of a Torricellian tube
- total communication — the theory or practice of incorporating all means of communication, including speech, speechreading, auditory training, sign language, and writing, in the education of deaf or hearing-impaired children.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- training instructor — a person who teaches people the skills they need for a particular field or profession
- turbo-ramjet engine — a combination engine that can be operated as a turbojet or ramjet engine.
- turn a blind eye to — to pretend not to notice or ignore deliberately
- ultrasonic cleaning — the use of ultrasound to vibrate a piece to be cleaned while the piece is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items
- unconstitutionality — not constitutional; unauthorized by or inconsistent with the constitution, as of a country.
- under consideration — being deliberated
- underrepresentation — the act of representing.
- unit of measurement — physical quantity
- university hospital — a hospital that is affiliated with a university. University hospitals provide clinical education and training to future and current doctors, nurses, and other health professionals, in addition to delivering medical care to patients
- unorganized ferment — ferment (def 2).
- vacuum distillation — a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.