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zinc oxide

(Encyclopedia)zinc oxide, chemical compound, ZnO, that is nearly insoluble in water but soluble in acids or alkalies. It occurs as white hexagonal crystals or a white powder commonly known as zinc white. Zinc white...

Bialik, Hayyim Nahman

(Encyclopedia)Bialik, Hayyim Nahman hīˈyəm näˈmən byäˈlēk [key], 1873–1934, Hebrew poet, publisher in Odessa, Berlin, and Tel-Aviv, b. Volhynia, Russia. As an editor and publisher Bialik spread the ideas...

Black Monday

(Encyclopedia)Black Monday, Oct. 19, 1987, in U.S. history, day of financial panic. The Dow Jones Average fell 508.32 points, a drop of 22.6%, the largest since 1914. The point decline as well as the volume, 604.33...

Braga, Teófilo

(Encyclopedia)Braga, Teófilo təôˈfəlo͝o bräˈgä [key], 1843–1924, Portuguese intellectual and political leader, b. Ponta Delgada in the Azores. At the Univ. of Coimbra he was a member of the positivist ci...

brocade

(Encyclopedia)brocade brōkādˈ [key], fabric, originally silk, generally reputed to have been developed to a high state of perfection in the 16th and 17th cent. in France, Italy, and Spain. In China the weaving o...

Calef, Robert

(Encyclopedia)Calef, Robert kāˈləf [key], 1648–1719, known primarily as author of More Wonders of the Invisible World (1700). A Boston cloth merchant, probably born in England, he bitterly attacked Cotton Math...

Tsui, Daniel Chee

(Encyclopedia)Tsui, Daniel Chee, 1938–, Chinese-American physicist, b. Henan, China, Ph.D. Univ. of Chicago, 1967. He was a member of the technical staff at Bell Labs in Murray Hill, N.J., from 1968 to 1982, when...

Tyndall, John

(Encyclopedia)Tyndall, John tĭnˈdəl [key], 1820–93, British physicist, b. Ireland. He became (1853) professor of natural philosophy at the Royal Institution and in 1867 succeeded Michael Faraday, his friend an...

spoonbill

(Encyclopedia)spoonbill, common name for a large wading bird related to the ibis. It has a long bill with a tip like a flattened spoon, with which it captures small aquatic animals. The roseate spoonbill, Ajaia aja...

Eight, the

(Encyclopedia)Eight, the, group of American artists in New York City, formed in 1908 to exhibit paintings. They were men of widely different tendencies, held together mainly by their common opposition to academism....