17-letter words containing r, a, c, i
- 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— the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789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 final curtain — the closing of the curtain at the end of the action of a play
- the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
- the water carrier — the constellation Aquarius, the 11th sign of the zodiac
- theatricalization — to put into dramatic or theatrical form; dramatize.
- thematic approach — teaching organized by theme rather than by school subject
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- therapeutic touch — the laying on of hands by a healer
- thermocoagulation — the coagulation of tissue by heat-producing high-frequency electric currents, used therapeutically to remove small growths or to create specific lesions in the brain.
- 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.
- threshing machine — a machine for removing grains and seeds from straw and chaff.
- throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
- to strike a chord — If something strikes a chord with you, it makes you feel sympathy or enthusiasm.
- topological group — a set that is a group and a topological space and for which the group operation and the map of an element to its inverse are continuous functions.
- torricellian tube — a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
- tortoiseshell cat — a domestic cat, especially a female one, of variegated black, yellow, and white coloring.
- track maintenance — the process of maintaining and repairing railway tracks
- 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
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- traffic violation — driving offence
- transatlantically — crossing or reaching across the Atlantic: a transatlantic liner.
- transcendentalism — transcendental character, thought, or language.
- transcendentalist — transcendental character, thought, or language.
- transcendentalize — to cause to become transcendent.
- transfer function — The transfer function of a circuit is the ratio of the response to the input.
- transignification — (in the Eucharist) a change in the significance of the bread and wine to symbolize the body and blood of Christ.
- transitory action — an action that can be brought in any country regardless of where it originated
- transonic barrier — sound barrier.
- 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.
- travancore-cochin — a former Indian state that was a merger of Travancore and Cochin, two former princely states of India, and which became part of Kerala state in 1956
- trick photography — photography that creates an illusion
- trigger mechanism — a physiological or psychological process caused by a stimulus and resulting in a usually severe reaction.
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- tropical maritime — a type of warm, wet air mass originating at low latitudes over ocean areas
- 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.
- tubercle bacillus — the bacterium, Mycobacterium tuberculosis, causing tuberculosis.
- twelve patriarchs — any of the sons of Jacob ((the twelve patriarchs),) from whom the tribes of Israel were descended.
- tympanic membrane — eardrum.
- ultraconservative — extremely conservative, especially in politics.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- uncircumscribable — to draw a line around; encircle: to circumscribe a city on a map.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.