17-letter words containing u, l, t, r, a, i
- 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
- trailing geranium — an ivy-leaved variety of geranium, Pelargonium peltatum
- triangular matrix — a square matrix in which either all the entries above the principal diagonal, or all the entries below the principal diagonal, are zero.
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- 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.
- ultimate strength — the quantity of the utmost tensile, compressive, or shearing stress that a given unit area of a certain material is expected to bear without failing.
- ultraconservative — extremely conservative, especially in politics.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- ultramicrobalance — a balance for weighing precisely, to a hundredth of a microgram or less, minute quantities of material.
- understandability — capable of being understood; comprehensible.
- unofficial strike — a strike that is not approved by the strikers' trade union
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unproportionately — proportioned; being in due proportion; proportional.
- upper paleolithic — See under Paleolithic.
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- urogenital system — the urinary tract and reproductive organs
- valetudinarianism — the state, condition, or habits of a valetudinarian.
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- ventura publisher — Corel VENTURA
- vernacularization — to translate into the natural speech peculiar to a people.
- vestibular system — the sensory mechanism in the inner ear that detects movement of the head and helps to control balance
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- victor emmanuel i — 1759–1824, king of Sardinia 1802–21.
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- waitangi tribunal — (in New Zealand) a government tribunal empowered to examine and make recommendations on Māori claims under the Treaty of Waitangi
- water tube boiler — a boiler for generating steam by passing water in tubes (water tubes) through flames and hot gases.
- water-tube boiler — a boiler for generating steam by passing water in tubes (water tubes) through flames and hot gases.
- western australia — a state in W Australia. 975,920 sq. mi. (2,527,635 sq. km). Capital: Perth.
- wrangell-mountain — Mount, an active volcano in SE Alaska, in the Wrangell Mountains. 14,006 feet (4269 meters).
- yield to maturity — The yield to maturity of a bond is the rate of return on the bond if it is held to its maturity date.