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Ibaraki

(Encyclopedia)Ibaraki ēbäˈräkē [key], prefecture, 2,352 sq mi (6,092 sq km), central Honshu, Japan. ...

Ann Arbor

(Encyclopedia)Ann Arbor, city (2020 pop. 123,851), seat of Washtenaw co., S Mich., on the Huron River; inc. 1851. It is a research and educational center, with a large number of government and industria...

Papeete

(Encyclopedia)Papeete päpā-āˈtā [key], town (2007 pop. 26,017), capital of Tahiti and of French Polynesia, South Pacific. A port on the NW coast of Tahiti, Papeete ships copra, vanilla, and mother-of-pearl. Th...

Pennsylvania State University

(Encyclopedia)Pennsylvania State University, main campus at University Park, State College; land-grant and state supported; coeducational; chartered 1855, opened 1859 as Farmers' High School. It was named the Agric...

Argonne National Laboratory

(Encyclopedia)Argonne National Laboratory, research center, based in Argonne, Ill., 27 mi (43 km) SW of downtown Chicago, with other facilities at the Idaho National Engineering Laboratory, 50 mi (80 km) W of Idaho...

weak interactions

(Encyclopedia)weak interactions, actions between elementary particles mediated, or carried, by W and Z particles and that are responsible for nuclear decay. Weak interactions are one of four fundamental interaction...

fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...

family, in sociology

(Encyclopedia)family, a basic unit of social structure, the exact definition of which can vary greatly from time to time and from culture to culture. How a society defines family as a primary group, and the functio...

Mayagüez

(Encyclopedia)Mayagüez mīägwāsˈ, mīäwāsˈ [key], city (1990 pop. 100,371), W Puerto Rico, on Mona Passage. It is a port of entry as well as a shipping and manufacturing center in an area where sugarcane, co...

Nägeli, Karl Wilhelm von

(Encyclopedia)Nägeli or Naegeli, Karl Wilhelm von both: kärl vĭlˈhĕlm fən nāˈgəlē [key], 1817–91, Swiss botanist. He was professor at the Univ. of Munich from 1858 and was noted especially for his work ...