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Oligocene epoch

(Encyclopedia)Oligocene epoch ŏlˈəgōsēnˌ [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America was dry land during the ...

monopoly

(Encyclopedia)monopoly mənōpˈəlē [key], market condition in which there is only one seller of a certain commodity; by virtue of the long-run control over supply, such a seller is able to exert nearly total con...

Miller, Arthur

(Encyclopedia)Miller, Arthur, 1915–2005, American dramatist, b. New York City, grad. Univ. of Michigan, 1938. One of America's most distinguished playwrights, he has been hailed as the finest realist of the 20th-...

motet

(Encyclopedia)motet mōtĕtˈ [key], name for the outstanding type of musical composition of the 13th cent. and for a different type that originated in the Renaissance. The 13th-century motet, a creation (c.1200) o...

horseshoe crab

(Encyclopedia)horseshoe crab, large, primitive marine arthropod of the family Limulidae, related to the spider and scorpion and sometimes called a king crab (a name also used for the largest of the edible true crab...

alphabet

(Encyclopedia)CE5 Examples of letters in various alphabets (arrows indicate the direction of reading) alphabet [Gr. alpha-beta, like Eng. ABC], system of writing, theoretically having a one-for-one relation bet...

eugenics

(Encyclopedia)eugenics yo͞ojĕnˈĭks [key], study of human genetics and of methods to improve the inherited characteristics, physical and mental, of the human race. Efforts to improve the human race through bette...

Newport, cities, United States

(Encyclopedia)Newport. 1 City (1990 pop. 18,871), seat of Campbell co., N Ky., on the Ohio River opposite Cincinnati and on the east bank of the Licking River opposite Covington; laid out 1791, inc. as a city 1835....

Rauschenberg, Robert

(Encyclopedia)Rauschenberg, Robert rouˈshənbûrgˌ [key], 1925–2008, American painter, b. Port Arthur, Tex., as Milton Ernest Rauschenberg. He studied at the Kansas City Art Institute, with Josef Albers at Blac...

Ordovician period

(Encyclopedia)Ordovician period ôrdəvĭshˈən [key] [from the Ordovices, ancient tribe of N Wales], second period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) fr...