19-letter words containing i, r, a, t, o
- the provisional ira — the unofficial faction of the IRA that became increasingly dominant following a split in 1969. The Provisional movement remained committed to a policy of terrorism until its ceasefires of the mid-1990s
- the roaring forties — the areas of ocean between 40° and 50° latitude in the S Hemisphere, noted for gale-force winds
- the social register — a directory, now published annually, of the families who are considered to form the country's social élite
- the wolverine state — a Midwestern state in the Great Lakes area of the north central US
- theatrical producer — a person who is responsible for all aspects of a theatrical production
- theological virtues — one of the three graces: faith, hope, or charity, infused into the human intellect and will by a special grace of God.
- theoretical physics — abstract use of physics
- 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
- thiophosphoric acid — an acid derived from phosphoric acid by substituting one or more sulfur atoms for oxygen atoms.
- third international — an international organization (1919–43), founded in Moscow, uniting Communist groups of various countries and advocating the attainment of their ends by violent revolution. Also called Comintern, Communist International. Compare international (def 6).
- third law of motion — any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
- three-point landing — an aircraft landing in which the two wheels of the main landing gear and the tail or nose wheel touch the ground simultaneously.
- throw in one's hand — (in cards) to concede defeat by putting one's cards down
- thrust augmentation — an increase in the thrust of a jet or rocket engine, as by afterburning or reheating.
- tidal power station — a power station where the energy of flowing water is converted into electricity
- time sharing option — (operating system) (TSO) System software from IBM that provides time-sharing on an IBM mainframe running in an MVS environment.
- tired and emotional — slightly drunk
- to be in the charts — (of a record or pop group) to be popular
- to carry conviction — If something carries conviction, it is likely to be true or likely to be believed.
- 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 fight for breath — If you fight for breath, you try to breathe but find it very difficult.
- to go blackberrying — to go on an outing to collect blackberries
- to grin and bear it — If you grin and bear it, you accept a difficult or unpleasant situation without complaining because you know there is nothing you can do to make things better.
- to rack your brains — If you rack your brains, you try very hard to think of something.
- to ring the changes — If you say that someone rings the changes, you mean that they make changes or improvements to the way something is organized or done.
- to tear a strip off — If you tear a strip off someone or if you tear them off a strip, you speak to them angrily and criticize them severely.
- 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
- toshiba corporation — (company) A Japanese technology manufacturer with 364 subsidiaries worldwide. Toshiba makes and sells electronics for home, office, industry and health care including information and communication systems, electronic components, heavy electrical apparatus, consumer products and medical diagnostic imaging equipment. In FY 2003-4, Toshiba employed 161,286 people.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- trahison des clercs — a compromising of intellectual integrity, esp. for political reasons
- training instructor — a person who teaches people the skills they need for a particular field or profession
- transdenominational — of or relating to a denomination or denominations.
- transesterification — a reaction between an ester of one alcohol and a second alcohol to form an ester of the second alcohol and an alcohol from the original ester, as that of methyl acetate and ethyl alcohol to form ethyl acetate and methyl alcohol; interesterification.
- transformationalism — a person who follows or promotes the theories of transformational grammar.
- transformationalist — a person who follows or promotes the theories of transformational grammar.
- transformer station — a station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers
- transitional relief — a form of tax relief, designed to smooth large changes in liability, which operates by restricting the proportion by which liability may change per year, both upwards and downwards
- translation of axes — the process of replacing the axes in a Cartesian coordinate system with a new set of axes, parallel to the first, used to write equations of curves not centered about the origin.
- trentino-alto adige — a region in NE Italy. 870,238; 5256 sq. mi. (13.615 sq. km).
- trickle bed reactor — A trickle bed reactor is a reactor in which gravity makes a gas and a liquid flow through a bed of catalyst.
- tricks of the trade — expert techniques
- trinidad and tobago — (used with a plural verb) two islands in the N Atlantic Ocean, off the NE coast of Venezuela.
- trisodium phosphate — sodium phosphate (def 3).
- tropic of capricorn — Astronomy. the Goat, a zodiacal constellation between Sagittarius and Aquarius.
- tropical depression — an atmospheric low-pressure system originating in the tropics, specifically, a tropical cyclone in which the maximum sustained wind speed is 38 miles per hour (62 kilometers per hour) or less.
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- 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