19-letter words containing a, n, e, r

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 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 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 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
traffic engineering — a branch of civil engineering concerned with the design and construction of streets and roads that will best facilitate traffic movement.
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.
transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
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
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.
travelling expenses — expenses that are paid to someone, for example, by their employer, for the costs they need to travel
travelling salesman — A travelling salesman is a salesman who travels to different places and meets people in order to sell goods or take orders.
tree planters state — Nebraska (used as a nickname).
trentino-alto adige — a region in NE Italy. 870,238; 5256 sq. mi. (13.615 sq. km).
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.
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.
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.
turn someone's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
twist someone's arm — the upper limb of the human body, especially the part extending from the shoulder to the wrist.
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
under consideration — being deliberated
under the banner of — If someone does something under the banner of a particular cause, idea, or belief, they do it saying that they support that cause, idea, or belief.
under the shadow of — in danger of; apparently fated for
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
unnatural practices — acts which are deemed to be contrary to expected standards of human behaviour
unorganized ferment — ferment (def 2).

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