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sod house

(Encyclopedia)sod house, house with walls made of strips of sod laid horizontally in courses like bricks. Sod houses were common in the frontier days on the western plains of the United States, where wood and stone...

Solovetski Islands

(Encyclopedia)Solovetski or Solovetsky Islands sələvyĕtˈskē [key], archipelago, c.150 sq mi (390 sq km), N European Russia, in the White Sea at the entrance of Onega Bay. A monastery, built in the first half o...

tendril

(Encyclopedia)tendril, slender, sensitive structure of many climbing plants that by a response to contact (see auxin) supports the plant. Tendrils are modified stems, leaves, or leaf parts or roots. Most young tend...

breakwater

(Encyclopedia)breakwater, offshore structure to protect a harbor from wave energy or deflect currents. When it also serves as a pier, it is called a quay; when covered by a roadway it is called a mole. In the Unite...

Breshkovsky, Catherine

(Encyclopedia)Breshkovsky, Catherine brĕshkôfˈskē [key], 1844–1934, Russian revolutionary, called “the little grandmother (babushka) of the Russian Revolution.” Of a noble family, she began on her father'...

Lilburne, John

(Encyclopedia)Lilburne, John, 1614?–1657, English political leader and pamphleteer of the Levelers. He was tried before the court of the Star Chamber as early as 1638 for printing and distributing antiepiscopal w...

Marcus Aurelius

(Encyclopedia)Marcus Aurelius (Marcus Aelius Aurelius Antoninus) märˈkəs ôrēˈlēəs [key], 121–180, Roman emperor, named originally Marcus Annius Verus. He was a nephew of Faustina, the wife of Antoninus Pi...

Hampden, John

(Encyclopedia)Hampden, John hămpˈdən, hămˈ– [key], 1594–1643, English parliamentary leader; cousin of Oliver Cromwell. He entered Parliament in 1621, became closely associated with Sir John Eliot, and was ...

ionosphere

(Encyclopedia)ionosphere īŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400 to 600 km) where it m...

meteor

(Encyclopedia)meteor, appearance of a small particle flying through space that interacts with the earth's upper atmosphere. While still outside the atmosphere, the particle is known as a meteoroid. Countless meteor...