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hydroelectric power

(Encyclopedia)hydroelectric power: see power, electric; water power. ...

Compton, Karl Taylor

(Encyclopedia)Compton, Karl Taylor, 1887–1954, American physicist, b. Wooster, Ohio, grad. College of Wooster (Ph.B., 1908), Princeton (Ph.D., 1912); brother of A. H. Compton. He taught at Princeton from 1915 to ...

Villard, Henry

(Encyclopedia)Villard, Henry vĭlärdˈ [key], 1835–1900, American journalist and financier, b. Germany. His first name was originally Hilgard. He attended universities in Germany, and after he reached (1853) the...

ozone

(Encyclopedia)ozone ōˈzōn [key], an allotropic form of the chemical element oxygen (see allotropy). Pure ozone is an unstable, faintly bluish gas with a characteristic fresh, penetrating odor. The gas has a dens...

Einthoven, Willem

(Encyclopedia)Einthoven, Willem vĭlˈəm īntˈhōvən [key], 1860–1927, Dutch physiologist, b. Java, M.D. Univ. of Utrecht, 1885. He was professor at the Univ. of Leiden from 1886. To measure the electric curre...

Geissler tube

(Encyclopedia)Geissler tube gīsˈlər [key], gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow depends on the gas used. The...

Carmel, Mount

(Encyclopedia)Carmel, Mount kärˈməl [key] [Heb.,=garden land], mountain ridge, NW Israel, extending 13 mi (21 km) NW from the plain of Esdraelon to the Mediterranean Sea, where it ends in a promontory marking th...

fetish

(Encyclopedia)fetish fĕtˈĭsh [key], inanimate object believed to possess some magical power. The fetish may be a natural thing, such as a stone, a feather, a shell, or the claw of an animal, or it may be artific...

Don Juan

(Encyclopedia)Don Juan dŏn wän, jo͞oˈən, Span. dōn hwän [key], legendary profligate. He has a counterpart in the legends of many peoples, but the Spanish version of the great libertine has become the most un...

rinderpest

(Encyclopedia)rinderpest or cattle plague, an acute and highly infectious viral disease of cattle. It less frequently affects other ruminants, such as sheep, goats, and wild game. After an incubation period of thre...