17-letter words containing r, d, o

teacher education — training to become a teacher, usually at an institution of higher education
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.
the bulldog breed — people who fought in either of the World Wars
the cold shoulder — a show of indifference; slight
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— the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789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 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 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 outside world — You can use the outside world to refer to all the people who do not live in a particular place or who are not involved in a particular situation.
the penny dropped — If you say the penny dropped, you mean that someone suddenly understood or realized something.
the right side of — in favour with
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
the underemployed — underemployed people
theodore sturgeon — Theodore (Hamilton) 1918–85, U.S. science-fiction writer.
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.
thermoperiodicity — the effect on an organism of rhythmic fluctuations in temperature.
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.
three-dimensional — having, or seeming to have, the dimension of depth as well as width and height.
throat sweetbread — sweetbread (def 2).
to do one's worst — If someone does their worst, they do everything unpleasant that they can possibly do. You can say 'do your worst' to show someone that you are not frightened of what they may do.
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 lose your mind — If you say that someone is losing their mind, you mean that they are becoming mad.
to open your mind — If something opens your mind to new ideas or experiences, it makes you more willing to accept them or try them.
to read sb's mind — If you can read someone's mind, you know what they are thinking without them saying anything.
to slip your mind — If something slips your mind, you forget it.
to strike a chord — If something strikes a chord with you, it makes you feel sympathy or enthusiasm.
to the bitter end — If you say that you will continue doing something to the bitter end, especially something difficult or unpleasant, you are emphasizing that you will continue doing it until it is completely finished.
to the nth degree — If something is done to the nth degree, it is done to an extreme degree.
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
toothbrush holder — a container or rack in a bathroom where toothbrushes are kept when not in use
tourette syndrome — a neurological disorder characterized by recurrent involuntary movements, including multiple neck jerks and sometimes vocal tics, as grunts, barks, or words, especially obscenities.
trade association — an association of people or companies in a particular business or trade, organized to promote their common interests.
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
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.
tree of knowledge — the tree whose fruit Adam and Eve tasted in disobedience of God: Gen. 2, 3
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
tungsten trioxide — a heavy, canary-yellow, water-insoluble powder, WO 3 , used in the manufacture of tungstates.
turbinado (sugar) — a partially refined, granulated, pale-brown sugar obtained by washing raw sugar in a centrifuge until most of the molasses is removed
turn-down service — In a hotel, a turn-down service is the preparation of a room for a guest to sleep in by slightly turning back the comforter on the bed, turning down the lights, and so on.

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