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acids and bases

(Encyclopedia)acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Another theory that provides a very broad ...

permutations and combinations

(Encyclopedia)permutations and combinations: see probability. ...

orchestra and orchestration

(Encyclopedia)CE5 Typical seating plan of a symphony orchestra orchestra and orchestration, an orchestra is a musical ensemble of mixed instruments based on strings and winds, under the direction of a conductor...

visit and search

(Encyclopedia)visit and search: see search, right of. ...

Osman Nuri Pasha

(Encyclopedia)Osman Nuri Pasha ōsmänˈ no͞orēˈ päshäˈ [key], 1837–1900, Turkish general. He fought in the Crimean War of 1854–56 and in Lebanon, Crete, and Arabia in the 1860s and 70s. He was made muşi...

Sirmium

(Encyclopedia)Sirmium sûrˈmēəm [key], ancient city of Pannonia. The site is near modern Sremska Mitrovica, NW Serbia. Sirmium was unimportant until occupied late in the 1st cent. b.c. by the Romans in the conqu...

Senta

(Encyclopedia)Senta sĕnˈtä [key], Hung. Zenta, city (1991 pop. 28,779), in the Vojvodina region of Serbia, on the Tisza River. A river port and an agricultural center, it has a variety of light industries. At Se...

Claudius II

(Encyclopedia)Claudius II (Marcus Aurelius Claudius), d. 270, Roman emperor (268–70), called Gothicus. A successful general under Valerian, Claudius put down the revolt in which Gallienus was killed. He succeeded...

Balkans

(Encyclopedia)Balkans, Bulg. Stara Planina stäˈrä pläˌnēnäˈ [key], major mountain range of the Balkan Peninsula and Bulgaria, extending c.350 mi (560 km) from E Serbia through central Bulgaria to the Black ...

Bad Ischl

(Encyclopedia)Bad Ischl bät ĭshˈəl [key] or Ischl, city, in Upper Austria prov., W Austria, in the cent...