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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. ...

Paston Letters

(Encyclopedia)Paston Letters, collection of personal and business correspondence, mostly among members of the Paston family of Norfolk, England. The letters cover the years from 1422 to 1529, together with deeds an...

Nzinga

(Encyclopedia)Nzinga or Njinga, c.1583–1663, queen of the Mbundu people in what is now Angola. In 1622, she represented her brother, King Mbande of Ndongo, in talks with the Portuguese, who had established a fort...

Hsia

(Encyclopedia)Hsia shēä [key], semilegendary first dynasty of China, which ruled, according to traditional dates, from c.2205 b.c. to c.1766 b.c. or, according to some modern scholars, from c.1994 b.c. to c.1523 ...

Drangiana

(Encyclopedia)Drangiana drănˌjēāˈnə, –ănˈə [key], ancient country, part of the Persian Empire, between Aria on the north and Gedrosia on the south. It was conquered (330 b.c.) by Alexander the Great and ...

Maori

(Encyclopedia)Maori mäˈōrē [key], people of New Zealand and the Cook Islands, believed to have migrated in early times from other islands of Polynesia. Maori tradition asserts that seven canoes brought their an...

public ownership

(Encyclopedia)public ownership, government ownership of lands, streets, public buildings, utilities, and other business enterprises. The theory that all land and its resources belong ultimately to the people and th...