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shield, armor

(Encyclopedia)shield, piece of defensive armor, worn on the arm or shoulder to ward off weapons during combat, used prior to the dominance of gunpowder. Originally for individual defense during hand-to-hand combat,...

Babington, Anthony

(Encyclopedia)Babington, Anthony băbˈĭngtən [key], 1561–86, English conspirator. A member of the Roman Catholic gentry, he served as a youth in the household of the earl of Shrewsbury at Sheffield Castle, whe...

potassium nitrate

(Encyclopedia)potassium nitrate, chemical compound, KNO3, occurring as colorless, prismatic crystals or as a white powder; it is found pure in nature as the mineral saltpeter, or niter. (The name saltpeter is also ...

pyrotechnics

(Encyclopedia)pyrotechnics pīˌrōtĕkˈnĭks, pīˌrə– [key], technology of making and using fireworks. Gunpowder was used in fireworks by the Chinese as early as the 9th cent., and it was they who brought fir...

Norfolk, Thomas Howard, 4th duke of

(Encyclopedia)Norfolk, Thomas Howard, 4th duke of, 1536–72, English nobleman, son of Henry Howard, earl of Surrey. He succeeded his grandfather, the 3d duke, in 1554. He was favored by Queen Elizabeth I, although...

Rumford, Benjamin Thompson, Count

(Encyclopedia)Rumford, Benjamin Thompson, Count, 1753–1814, American-British scientist and administrator, b. Woburn, Mass. In 1776 he went to England, where he served (1780–81) as undersecretary of the colonies...

Ouidah

(Encyclopedia)Ouidah hwīˈdə [key], town (1992 pop. 32,474), S Benin, a port on the Gulf of Guinea. It was the capital of a small state founded about the 16th cent. From the early 17th cent., Portuguese, French, ...

Waller, Edmund

(Encyclopedia)Waller, Edmund, 1606–87, English poet. He studied at Eton and Cambridge and became a prominent speaker in Parliament at a young age. He married twice (1631 and 1644), but his early poems are address...

Pazzi conspiracy

(Encyclopedia)Pazzi conspiracy pätˈtsē [key], 1478, plot against Lorenzo de' Medici (Lorenzo il Magnifico) and his brother Giuliano, designed to end the hegemony of the Medici in the Florentine state and to enla...

horn, in zoology

(Encyclopedia)horn, in zoology, one of a pair of structures projecting from the head of a hoofed animal, used chiefly as a weapon. In cattle, sheep, Old World antelopes, and related animals the horns are permanent ...