| | - unified field theory
- in particle physics, an attempt to describe all fundamental forces and the relationships between elementary particles in terms of a single theoretical framework. In physics, forces can be described by ...
- unified science
- in the philosophy of logical positivism, a doctrine holding that all sciences share the same language, laws, and method or at least one or two of these features. A unity-of-science ...
- Unified Silla Dynasty
- (668-935), dynasty that unified the three kingdoms of the Korean peninsula-Silla, Paekche, and Koguryo. The old Silla kingdom had forged an alliance with T'ang China (618-907) and had conquered the ...
- uniform circular motion
- motion of a particle moving at a constant speed on a circle. In the , the velocity vector v of the particle is constant in magnitude, but it changes in ...
- uniformitarianism
- in geology, the doctrine that existing processes acting in the same manner and with essentially the same intensity as at present are sufficient to account for all geologic change. Uniformitarianism ...
- Unigenitus
- bull issued by Pope Clement XI on Sept. 8, 1713, condemning the doctrines of Jansenism, a dissident religious movement within France. The publication of the bull began a doctrinal controversy ...
- Unilever
- either of twin companies, Unilever PLC (based in London) and Unilever NV (based in Rotterdam), which are the holding companies for more than 500 companies worldwide engaged in the manufacture ...
- Union
- county, northeastern New Jersey, U.S., bounded by the Passaic River to the west, Newark Bay and Arthur Kill to the east, the Rahway River to the southeast, and Green Brook ...
- Union
- county, central Pennsylvania, U.S., bounded by the West Branch Susquehanna River to the east and Penns Creek Mountain to the south. The mountainous ridge-and-valley terrain includes Buffalo, Paddy, and Nittany ...
- Union
- city, seat of Union county, northern South Carolina, U.S. It lies in hilly piedmont country near the Broad River, 68 miles (109 km) northwest of Columbia. Union was first settled ...
- Union
- township (town), Union county, northeastern New Jersey, U.S., on the Elizabeth River, 5 miles (8 km) northwest of the town of Elizabeth, New Jersey. Settled in 1749 as Connecticut Farms, ...
- Union
- county, northeastern New Mexico, U.S., bordered on the north by Colorado and on the east by Oklahoma and Texas. It lies in the Great Plains. The eastern landscape is marked ...
- Union
- county, northern South Carolina, U.S. It is bordered by the Pacolet River to the north, the Broad River to the east, and the Enoree River to the south. The southern ...
- Union Bank of Switzerland
- one of the largest commercial banks in Switzerland, with overseas representative offices and branches. Headquarters are in Zurich.
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