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laurel, in botany

(Encyclopedia)CE5 Sassafras, Sassafras albidum, a member of the laurel family laurel, common name for the Lauraceae, a family of forest trees and shrubs found mainly in tropical SE Asia but also abundant in tro...

gasoline

(Encyclopedia)gasoline or petrol, light, volatile mixture of hydrocarbons for use in the internal-combustion engine and as an organic solvent, obtained primarily by fractional distillation and “cracking” of pet...

Oceanside

(Encyclopedia)Oceanside. 1 City (1990 pop. 128,398), San Diego co., S Calif., on the Gulf of Santa Catalina; inc. 1888. It is a commercial and trading center for an inland farm area and for nearby Camp Pendleton, a...

Lewis, Gilbert Newton

(Encyclopedia)Lewis, Gilbert Newton, 1875–1946, American chemist, b. Weymouth, Mass., grad. Harvard (B.A., 1896; Ph.D., 1899). He taught at Harvard and at the Massachusetts Institute of Technology (1907–12) and...

mother-of-pearl

(Encyclopedia)mother-of-pearl or nacre nāˈkər [key], the iridescent substance that forms the lining of the shells of some fresh-water and some salt-water mollusks. Like the pearl it is a secretion of the mantle,...

Lawrence, Ernest Orlando

(Encyclopedia)Lawrence, Ernest Orlando, 1901–58, American physicist, b. Canton, S. Dak., grad. Univ. of South Dakota, 1922, Ph.D. Yale, 1925. Affiliated with the Univ. of California from 1928 onward, he became a ...

Lee, Yuan Tseh

(Encyclopedia)Lee, Yuan Tseh yo͞o-änˈ dzûˈ lēˈ [key], 1936–, Taiwanese-American chemist, Ph.D. Univ. of California at Berkeley, 1965. In 1986, Lee shared the Nobel Prize in Chemistry with Dudley R. Herschb...

San Juan del Sur

(Encyclopedia)San Juan del Sur dĕl so͞or [key], town, SW Nicaragua, on the Pacific Ocean. It was the Pacific terminus of the transit route across the isthmus during the California gold rush and is today connected...

Taylor, Bayard

(Encyclopedia)Taylor, Bayard, 1825–78, American journalist and author, b. Kennett Square, Pa. His romantic verse in Ximena … and Other Poems (1844) secured him a long-standing assignment as correspondent fo...

Revillagigedo Islands

(Encyclopedia)Revillagigedo Islands or Revillagigedo Archipelago rāvēˈyähēhāˈᵺō [key], volcanic island group in the Pacific Ocean, c.450 mi (720 km) W of Colima state and S of Baja California, Mexico. The...