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D

(Encyclopedia)D, fourth letter of the alphabet. It corresponds to the Greek delta. It is a usual symbol for a voiced dental or, as in English, alveolar stop. The capital represents in musical notation a note in the...

Gordon and Betty Moore Foundation

(Encyclopedia)Gordon and Betty Moore Foundation, private philanthropic organization established in 2000 by Gordon Moore, co-founder of Intel Corp., and his wife Betty. The foundation funds projects in science and e...

Burhanpur

(Encyclopedia)Burhanpur bûrˈhänpo͞orˌ [key], city, Madhya Pradesh state, W central India, on the Tapi River. The ...

die-casting

(Encyclopedia)die-casting, process by which molten metal is forced by a plunger or compressed air into a metallic die and the pressure maintained until the metal has solidified. Die castings are accurate, are sharp...

Hauer, Josef Matthias

(Encyclopedia)Hauer, Josef Matthias yōˈzĕf mätēäs houˈər [key], 1883–1959, Austrian music theorist and composer. Primarily self-taught, Hauer devised a method of atonal composition that used the 12 tones ...

Brennus, fl. c.389 b.c., legendary Gallic leader

(Encyclopedia)Brennus, fl. c.389 b.c., legendary Gallic leader. He occupied Rome but failed to take the Capitol from Manlius (Marcus Manlius Capitolinus). According to legend, when the tribute that the Romans had a...

hardness

(Encyclopedia)hardness, property of matter commonly described as the resistance of a substance to being scratched by another substance. The degree of hardness is relative, different substances being compared with o...

di Suvero, Mark

(Encyclopedia)di Suvero, Mark dē so͞oˈvərō [key], 1933–, American sculptor, b. Shanghai. Di Suvero's major works are constructions of massize pieces of steel, huge weathered timbers, tires, chains, and rope....

aquaponics

(Encyclopedia)aquaponics, the growing of plants and the raising of fish by combining aquaculture with the techniques of hydroponics, usually on a small scale. Water containing fish waste matter is used as the nutri...

Li T'ang

(Encyclopedia)Li T'ang lē täng [key], c.1050–1130, Chinese painter of the Sung dynasty. A leader of the academy founded by the Emperor Hui-tsung, he established a mode of painting that was widely followed in su...