19-letter words containing o, r, a, t, e

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
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).
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.
three-quarter armor — plate armor that leaves the legs exposed below the knees.
threshold agreement — an agreement between an employer and employees or their union to increase wages by a specified sum if inflation exceeds a specified level in a specified time
throw cold water on — having a relatively low temperature; having little or no warmth: cold water; a cold day.
throw in one's hand — (in cards) to concede defeat by putting one's cards down
throw oneself at sb — If someone throws themselves at you, they make it very obvious that they want to begin a relationship with you, by behaving as though they are sexually attracted to you.
throw sth overboard — If you throw something overboard, for example an idea or suggestion, you reject it completely.
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 a showstopper — to be very impressive; to be sensational
to be born and bred — Someone who was born and bred in a place was born there and grew up there.
to be headquartered — to be based; to have headquarters (in a place)
to be in the charts — (of a record or pop group) to be popular
to be off the radar — to no longer be noticed or important
to blow a raspberry — If you blow a raspberry, you make a sound by putting your tongue out and blowing, in order to insult someone.
to break new ground — If you break new ground, you do something completely different or you do something in a completely different way.
to bury the hatchet — If two people bury the hatchet, they become friendly again after a quarrel or disagreement.
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 change your tune — If you say that someone has changed their tune, you are criticizing them because they have changed their opinion or way of doing things.
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 hang by a thread — If you say that something is hanging by a thread, you mean that it is in a very uncertain state and is unlikely to survive or succeed.
to hold your breath — If you hold your breath, you make yourself stop breathing for a few moments, for example because you are under water.
to make your/a mark — If you make your mark or make a mark, you become noticed or famous by doing something impressive or unusual.
to play hard to get — If someone plays hard to get, they pretend not to be interested in another person or in what someone is trying to persuade them to do.
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 run out of steam — If you run out of steam, you stop doing something because you have no more energy or enthusiasm left.
to run the gauntlet — If you run the gauntlet, you go through an unpleasant experience in which a lot of people criticize or attack you.
to steer/stay clear — If you steer clear or stay clear of someone or something, you avoid them.
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
total probable loss — A total probable loss is the highest degree of loss or damage that is probable if an insured event occurs.
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
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.
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.
transparent context — an expression in which any term may be replaced by another with the same reference without changing its truth-value
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

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