19-letter words containing i, n, a, u
- three-martini lunch — an expensive lunch enjoyed by businessmen during the workday which is often accompanied by drinking
- 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
- transuranic element — any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element. See also transactinide element.
- traveling-wave tube — an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
- triangle inequality — the theorem that the absolute value of the sum of two quantities is less than or equal to the sum of the absolute values of the quantities.
- triangulum australe — a small bright triangular constellation in the S hemisphere, lying between Ara and the Southern Cross, that contains an open star cluster
- trifacial neuralgia — tic douloureux.
- 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
- turn in their grave — If you say that someone who is dead would turn in their grave at something that is happening now, you mean that they would be very shocked or upset by it, if they were alive.
- ultracrepidarianism — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- ultrahigh frequency — any frequency between 300 and 3000 megahertz. Abbreviation: UHF, uhf.
- 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
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- 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
- united presbyterian — a member of the United Presbyterian Church of North America, founded in Pittsburgh in 1858 by a union of two Presbyterian groups.
- universal recipient — a person with blood type AB, able to receive blood from a person of any blood type but able to donate blood only to a person with the same blood type
- university entrance — an examination taken by pupils of postprimary schools
- 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
- unlawful possession — possession of substances or items (such as drugs or guns) for which criminal sanctions exist because they may not be legally possessed or may not be possessed under certain circumstances
- unlimited liability — liability that is not restricted to any unpaid portion of nominal capital invested in a business
- unnatural practices — acts which are deemed to be contrary to expected standards of human behaviour
- unorganized ferment — ferment (def 2).
- up against the wall — any of various permanent upright constructions having a length much greater than the thickness and presenting a continuous surface except where pierced by doors, windows, etc.: used for shelter, protection, or privacy, or to subdivide interior space, to support floors, roofs, or the like, to retain earth, to fence in an area, etc.
- upper carboniferous — Pennsylvanian (defs 2, 4).
- 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.
- vaginal intercourse — intercourse involving insertion of the penis into the vagina
- valencian community — region comprising three provinces of E Spain: 8,998 sq mi (23,305 sq km); pop. 4,029,000; cap. Valencia
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).
- velocity modulation — the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- victor emmanuel iii — 1869–1947, king of Italy 1900–46.
- vinculum matrimonii — the bond of matrimony.
- visual display unit — video display terminal. Abbreviation: VDU.
- vocational guidance — the process of assisting a student to choose, prepare for, and enter an occupation for which he or she shows aptitude.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- von neumann machine — the stored-program computer developed by John von Neumann and his associates
- vulvovaginal glands — the small gland on either side of the lower part of the vagina
- wage-push inflation — an inflationary trend caused by wage increases that in turn cause rises in production costs and prices.
- waste disposal unit — an electrically operated fitment in the plughole of a kitchen sink that breaks up food refuse so that it goes down the waste pipe