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Albany Regency

(Encyclopedia)Albany Regency, name given, after 1820, to the leaders of the first political machine, which was developed in New York state by Martin Van Buren. The name derived from the charge that Van Buren's prin...

carbonated beverage

(Encyclopedia)carbonated beverage, an effervescent drink that releases carbon dioxide under conditions of normal atmospheric pressure. Carbonation may occur naturally in spring water that has absorbed carbon dioxid...

Horace

(Encyclopedia)Horace (Quintus Horatius Flaccus) hôrˈəs [key], 65 b.c.–8 b.c., Latin poet, one of the greatest of lyric poets, b. Venusia, S Italy. He studied at Rome and Athens and, joining Brutus and the repu...

hummingbird

(Encyclopedia)hummingbird, common name for members of the family Trochilidae, small, strictly New World birds, related to the swifts, and found chiefly in the mountains of South America. Hummingbirds vary in size f...

duma

(Encyclopedia)duma do͞oˈmä [key], Russian name for a representative body, particularly applied to the Imperial Duma established as a result of the Russian Revolution of 1905. The parliamentary organization of 19...

photoelectric effect

(Encyclopedia)photoelectric effect, emission of electrons by substances, especially metals, when light falls on their surfaces. The effect was discovered by H. R. Hertz in 1887. The failure of the classical theory ...

Philip V, king of Macedon

(Encyclopedia)Philip V, 238–179 b.c., king of Macedon (221–179), son of Demetrius II, successor of Antigonus III. He won fame in a war in Greece (220–217), in which he sided with the Achaean League against th...

saddle

(Encyclopedia)saddle, seat or pad to support the rider on an animal, chiefly a horse. The saddles mentioned in the Bible are generally considered to have been saddlecloths. The ancient Greeks sometimes used saddlec...

Tlingit

(Encyclopedia)Tlingit tlĭngˈgĭt [key], group of related Native North American tribes, speaking a language that forms a branch of the Nadene linguistic stock (see Native American languages). The 14 divisions of t...

O'Brien, Edna

(Encyclopedia)O'Brien, Edna, 1932–, Irish writer. Although she moved to London in 1954, her constant theme and recurring setting is Ireland. In richly sensual prose, O'Brien explores the dreams, failed marriages,...