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phosphate

(Encyclopedia)phosphate, salt or ester of phosphoric acid, H3PO4. Because phosphoric acid is tribasic (having three replaceable hydrogen atoms), it forms monophosphate, diphosphate, and triphosphate salts in which ...

Ivan IV

(Encyclopedia)Ivan IV or Ivan the Terrible, 1530–84, grand duke of Moscow (1533–84), the first Russian ruler to assume formally the title of czar. In his later years, Ivan's character, always stern, grew tyra...

State, United States Department of

(Encyclopedia)State, United States Department of, executive department of the federal government responsible, under the President's direction, for the making and execution of American foreign policy. Before and ...

Wood, Leonard

(Encyclopedia)Wood, Leonard, 1860–1927, American general and administrator, b. Winchester, N.H. After practicing medicine briefly in Boston, he entered the army in 1885 and was made an assistant surgeon; in 1891 ...

Brownsville

(Encyclopedia)Brownsville, city (2020 pop. 186,738), seat of Cameron co., extreme S Tex., on the Rio Grande c.17 mi (30 km) from its mouth at the Gulf of Mexico; inc....

Hampton, Wade, Confederate general

(Encyclopedia)Hampton, Wade, 1818–1902, Confederate general in the American Civil War, b. Charleston, S.C.; grandson of Wade Hampton (c.1752–1835). Hampton, a wealthy planter, served (1852–61) in the South Ca...

Murray, Albert Lee

(Encyclopedia)Murray, Albert Lee, 1916–2013, American essayist, novelist, and critic, b. Nokomis, Ala., grad. Tuskegee Institute (now Tuskegee Univ.; B.S., 1939) and New York Univ. (M.A., 1948). Murray enlisted i...

Medici, Giovanni de', 1498–1526, Italian condottiere

(Encyclopedia)Medici, Giovanni de', or Giovanni delle Bande Nere jōvänˈnē dĕlˈlā bänˈdā nāˈrā [key] [Ital.,=of the black bands], 1498–1526, Italian condottiere; great-grandson of Lorenzo de' Medici (...

Wyler, William

(Encyclopedia)Wyler, William, 1902–1981, American film director, producer, and writer, b. Mülhausen, Germany (now Mulhouse, France) as Willi Wilder. He came to the United States (1920) at the invitation of Carl ...

Scharnhorst, Gerhard Johann David von

(Encyclopedia)Scharnhorst, Gerhard Johann David von gĕrˈhärt yōˈhän däˈvēt fən shärnˈhôrst [key], 1755–1813, Prussian general. A Hanoverian army officer, military writer, and director of the war coll...