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Derry, town, United States

(Encyclopedia)Derry, town (2020 pop. 34,317), Rockingham co., SE N.H.; set off from Londonderry 1827. Rapid population growth has changed it from a small town to a su...

Turati, Filippo

(Encyclopedia)Turati, Filippo, 1857–1932, Italian political leader. An advocate of a moderate, nonviolent form of socialism, Turati cofounded the Italian Socialist party in 1892. In 1926, threatened by the growin...

oolite

(Encyclopedia)oolite ōˈəlīt, ōˈō– [key], rock composed of small concretions, usually of calcium carbonate, containing a nucleus and clearly defined concentric shells. In the British Isles oolitic limestone...

Partridge, Eric Honeybrook

(Encyclopedia)Partridge, Eric Honeybrook, 1894–1979, British lexicographer; b. New Zealand. He studied in Australia and at Oxford, taught briefly in England, and founded a small publishing company. For 50 years h...

Mojave Desert

(Encyclopedia)Mojave or Mohave Desert, c.15,000 sq mi (38,850 sq km), region of low, barren mountains and flat valleys, 2,000 to 5,000 ft (610–1,524 m) high, S Calif.; part of the Great Basin of the United States...

duel

(Encyclopedia)duel, prearranged armed fight with deadly weapons, usually swords or pistols, between two persons concerned with a point of honor. The duel may have originated in the wager of battle, an early mode of...

Heisenberg, Werner

(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...

Athelney, Isle of

(Encyclopedia)Athelney, Isle of ăthˈəlnē [key], small area formerly surrounded by marshland, Somerset, SW England. King Alfred took refuge from the Danes there in 878 and founded a Benedictine abbey in 888. Rel...

attar of roses

(Encyclopedia)attar of roses ătˈər, ăˈtär [key], or rose oil, fragrant essential oil obtained from roses and used in making perfume. It is one of the most valuable of the volatile oils. Rose water is water in...

Masuda

(Encyclopedia)Masuda mäso͞oˈdä [key], city (1990 pop. 52,408), Shimane prefecture, SW Honshu, Japan, on the Sea of Japan at the mouth of the Takutsu River. It is an agricultural and communications center, with ...