18-letter words containing a, r, o, n, i

the dark continent — a term for Africa when it was relatively unexplored
the electronic age — the electronic age began when electronic equipment, including computers came into use
the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
the internationale — a revolutionary socialist hymn, first sung in 1871 in France
the major rogation — April 25, observed by Christians as a day of solemn supplication for the harvest and marked by processions, special prayers, and blessing of the crops
the north atlantic — the northern part of the Atlantic Ocean, especially the waters separating North America and Europe
the sun also rises — a novel (1926) by Ernest Hemingway.
the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
there you go again — Phrases such as there you go again are used to show annoyance at someone who is repeating something that has annoyed you in the past.
thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
to a grinding halt — If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
to bear witness to — If a person or thing bears witness to something, they show or say that it exists or happened.
to cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
to-ing and fro-ing — If you say that there is a lot of to-ing and fro-ing, you mean that the same actions or movements or the same arguments are being repeated many times.
traditional option — an option that once purchased cannot be resold
traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
traffic controller — a person whose job is to control the flow of air traffic
transient response — A transient response of a circuit is a temporary change in the way that it behaves due to an external excitation, that will disappear with time.
transit theodolite — a theodolite having a telescope that can be transited.
transition element — any element in any of the series of elements with atomic numbers 21–29, 39–47, 57–79, and 89–107, that in a given inner orbital has less than a full quota of electrons.
translation agency — an organization that provide people to translate speech or writing into a different language
transmission brake — A transmission brake is a brake that operates on the transmission system of a vehicle rather than directly on the wheels.
transmission shaft — a shaft that rotates transmitting motion from the engine to the differential gear
transmogrification — to change in appearance or form, especially strangely or grotesquely; transform.
transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
transubstantiation — the changing of one substance into another.
transverse section — cross section (def 1).
treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
treaty of waitangi — a treaty signed in 1840 by Māori chiefs and a representative of the British Government, providing the basis for the British annexation of New Zealand
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
trickle irrigation — drip irrigation.
tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
trobriand islander — a native or inhabitant of the Trobriand Islands of Papua New Guinea
turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
two-minute warning — a time-out called by an official to notify both teams that two minutes remain in a half.
two-tier financing — a form of lending in which the debt is divided into two separate parts, as in a first and second mortgage held by an individual on a single property
ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
under the aegis of — guided or protected by
under-compensation — to compensate or pay less than is fair, customary, or expected.
under-depreciation — decrease in value due to wear and tear, decay, decline in price, etc.
under-registration — the act of registering.
unfair competition — acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc.
unification church — a religious sect that combines elements of Protestantism and Buddhism, founded by the Rev. Sun Myung Moon in 1954: many of its members live in communes sponsored by the sect.
unisys corporation — (company) The company formed in 1984-5 when Burroughs Corporation merged with Sperry Corporation. This was when the phrase "dinosaurs mating" was coined. Unisys is one of the largest providers of information services, technology, and software in the world. They employ about 49,000 people and do business in some 100 countries. In 1994 about 80 percent of revenue was derived from commercial information systems and services, with the remainder coming from electronic systems and services for the defense market. The defense business was sold to Loral in early 1995. Slightly more than half of Unisys's revenue is from business in the United States. They specialise in providing business-critical solutions, based on open information networks, for organisations that operate in transaction-intensive environments. These organisations include financial services companies, airlines, telecommunications companies, government agencies, and other commercial enterprises. In August 1994, quarterly sales were $1799M and profits $50M.

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