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anion

(Encyclopedia)anion ănˈīˌən [key], atom or group of atoms carrying a negative charge. The charge results because there are more electrons than protons in the anion. Anions can be formed from nonmetals by reduc...

Abruzzi, Luigi Amedeo, duca degli

(Encyclopedia)Abruzzi, Luigi Amedeo, duca degli lwēˈjē ämādĕˈō do͞oˈkä dāˈlyē abro͞otˈtsē [key], 1873–1933, Italian explorer and mountain climber; cousin of Victor Emmanuel III. He led (1897) the...

Sverdrup, Otto

(Encyclopedia)Sverdrup, Otto svĕrˈdro͝op [key], 1855–1930, Norwegian arctic explorer. A companion of Fridtjof Nansen on the voyage across Greenland in 1888 and on Nansen's later (1893–96) polar expedition, ...

Mierevelt, Michiel Janszen van

(Encyclopedia)Mierevelt, Miereveld, or Miereveldt, Michiel Janszen van all: mēkhēlˈ yänˈsən vän mēˈrəvĕlt [key], 1567–1641, Dutch portrait painter. He was court painter to the house of Orange, working ...

Merab

(Encyclopedia)Merab mĭrˈăb [key], in the Bible, daughter of Saul and husband of Adriel. In Second Samuel, the sons of Adriel are, depending on the translation, either born to or brought up by Michal, Saul's youn...

Aaron

(Encyclopedia)Aaron ârˈən [key], in the Bible, the brother of Moses and his spokesman in Egypt, and the first high priest of the Hebrews. He is presented as the instrument of God in performing many signs, such a...

Dummer, Jeremiah, 1645–1718, early American silversmith and engraver

(Encyclopedia)Dummer, Jeremiah, 1645–1718, early American silversmith and engraver, b. Newbury, Mass. He was apprenticed (1659) to John Hull and set up as a silversmith in Boston c.1666. He held several public of...

Potter, Paul

(Encyclopedia)Potter, Paul or Paulus, 1625–54, Dutch animal and landscape painter and etcher. In The Hague he enjoyed the patronage of the prince of Nassau, for whom he painted the celebrated life-sized Young Bul...

Cantabrian Mountains

(Encyclopedia)Cantabrian Mountains kăntāˈbrēən [key], N Spain, extending c.300 mi (480 km) along the Bay of Biscay from the Pyrenees to Cape Finisterre. Torre de Cerredo (8,687 ft/2,648 m) in the Picos de Euro...

cyclone

(Encyclopedia)cyclone, atmospheric pressure distribution in which there is a low central pressure relative to the surrounding pressure. The resulting pressure gradient, combined with the Coriolis effect, causes air...