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viroid

(Encyclopedia)viroid, microscopic infectious agent, much smaller than a virus, that infects higher plants such as potatoes, tomatoes, chrysanthemums, and cucumbers, causing stunted or distorted growth and sometimes...

Ur

(Encyclopedia)Ur ûr [key], ancient city of Sumer, S Mesopotamia. The city is also known as Ur of the Chaldees. It was an important center of Sumerian culture (see Sumer) and is identified in the Bible as the home ...

Lorraine

(Encyclopedia)Lorraine lôrĕnˈ [key], Ger. Lothringen, former province and former administrative region, NE France, bordering in the N on Belgium, Luxembourg, and Germany, in the E on Alsace, in the S on Franche-...

crank

(Encyclopedia)crank, mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses o...

weight lifting

(Encyclopedia)weight lifting, international sport, also a training technique for athletes in other sports. From the earliest times men have lifted weights as a test of strength. Long popular as a competitive sport ...

Nurmi, Paavo

(Encyclopedia)Nurmi, Paavo päˈvō no͝orˈmē [key], 1897–1973, Finnish track star. Between 1920 and 1932 he set 20 world running records and won nine Olympic gold medals. His Olympic victories included the 10,...

Melfi

(Encyclopedia)Melfi mĕlˈfē [key], town (1991 pop. 15,757), in Basilicata, S Italy. It is an agricultural and tourist center noted for its wine. In 1041 it was made the first capital of the Norman county of Apuli...

Smith, Michael

(Encyclopedia)Smith, Michael, 1932–2000, British-born Canadian biochemist, Ph.D. Univ. of Manchester, 1956. Smith was a researcher at the Univ. of British Columbia from 1961 until his death in 2000. He shared the...

Poindexter, George

(Encyclopedia)Poindexter, George poinˈdĕkˌstər [key], 1779–1853, American political leader, b. Louisa co., Va. After practicing law in Virginia, he moved (1802) to Mississippi. As attorney general of Mississi...

Baer, George Frederick

(Encyclopedia)Baer, George Frederick bâr [key], 1842–1914, American financier, b. Somerset co., Pa. Baer became legal adviser to J. Pierpont Morgan and held many posts as a key figure in the railroad-and-coal em...