17-letter words containing r, d, a

telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
temporomandibular — of, relating to, or situated near the hinge joint formed by the lower jaw and the temporal bone of the skull.
terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
the driver's seat — the position of control or dominance
the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
the faint-hearted — people of a nervous disposition
the last sb heard — You can use expressions such as the last I heard and the last she heard to introduce a piece of information that is the most recent that you have on a particular subject.
the lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
the silken ladder — a one-act opera by Rossini, telling the story of Giulia, who is secretly married to Dorvil; he visits her bedroom every night by climbing up a ladder made of silk. Giulia's guardian, Dormont, expects her to marry Blansac, but she introduces Blansac to her cousin Lucilla; after much confusion, the two couples are joyfully united
the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
thermal radiation — electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles.
thermal underwear — underwear designed to retain body heat in cold temperatures.
thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
third commandment — “Thou shalt not take the name of the Lord thy God in vain”: third of the Ten Commandments.
thread escutcheon — a raised metal rim around a keyhole.
thread-legged bug — any of certain insects of the family Reduviidae, characterized by an elongated, slender body and long frail legs, the front pair of which are raptorial.
three mile island — an island in the Susquehanna River, near Middletown, Pennsylvania, SE of Harrisburg: scene of a near-disastrous accident at a nuclear plant in 1979 that raised the issue of nuclear-energy safety.
three-day eventer — a rider or horse that takes part in three-day eventing
three-dimensional — having, or seeming to have, the dimension of depth as well as width and height.
three-legged race — a race among a number of paired contestants, each contestant having one leg tied to the adjacent leg of his or her partner.
throat sweetbread — sweetbread (def 2).
to drag your feet — If you drag your feet or drag your heels, you delay doing something or do it very slowly because you do not want to do it.
to keep your head — If you keep your head, you remain calm in a difficult situation. If you lose your head, you panic or do not remain calm in a difficult situation.
to read sb's mind — If you can read someone's mind, you know what they are thinking without them saying anything.
to strike a chord — If something strikes a chord with you, it makes you feel sympathy or enthusiasm.
tolpuddle martyrs — six farm workers sentenced to transportation for seven years in 1834 for administering an unlawful oath to form a trade union in the village of Tolpuddle, Dorset
tongue-and-groove — the technique of making a joint between two boards by means of a tongue along the edge of one board that fits into a groove along the edge of the other board
trade association — an association of people or companies in a particular business or trade, organized to promote their common interests.
trading standards — consumer organization
traditional logic — formal logic based on syllogistic formulas, especially as developed by Aristotle.
traffic diversion — a special route arranged for traffic to follow when the normal route cannot be used
transcendentalism — transcendental character, thought, or language.
transcendentalist — transcendental character, thought, or language.
transcendentalize — to cause to become transcendent.
transdermal patch — a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place: patches at the elbows of a sports jacket.
trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
tridimensionality — having three dimensions.
triskaidekaphobia — fear or a phobia concerning the number 13.
trobriand islands — a group of coral islands in the Solomon Sea, north of the E part of New Guinea: part of Papua New Guinea. Area: about 440 sq km (170 sq miles)
tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
try one's hand at — to attempt (to do something), esp. for the first time
turbinado (sugar) — a partially refined, granulated, pale-brown sugar obtained by washing raw sugar in a centrifuge until most of the molasses is removed
two-toed anteater — silky anteater.
unclassified road — a road that has not been given a grade because it is of a basic standard
under the weather — the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc.
undercompensation — to compensate or pay less than is fair, customary, or expected.

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