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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…

potassium hydroxide

(Encyclopedia) potassium hydroxide, chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of…

Perim

(Encyclopedia) PerimPerimpārēmˈ, pērˈĭm [key], Arab. Barim, island, c.5 sq mi (13 sq km), off the SW Arabian peninsula in the Bab el Mandeb strait; it is part of Yemen. A rocky and barren island…

Bacon, Peggy

(Encyclopedia) Bacon, Peggy, 1895–1987, American illustrator, caricaturist, and etcher, b. Ridgefield, Conn. She illustrated more than 60 books including works by George Ade, Carl Sandburg, and Louis…

tears

(Encyclopedia) tears, watery secretion of the lacrimal gland, which is located at the outer corner of the eye socket immediately above the eyeball. Tearing, or lacrimation, is a continuous and…

Ídhra

(Encyclopedia) ÍdhraÍdhraēˈᵺrä [key] or HydraÍdhrahīˈdrə [key], island, 21 sq mi (54 sq km), SE Greece, in the Aegean Sea, off the Argolís peninsula of the Peloponnesus. It is mostly barren and rocky…

Jívaro

(Encyclopedia) JívaroJívarohēˈvärō [key], linguistic stock of Native South Americans in Ecuador. The peoples, N of the Marañón River and E of the Andes, engage in farming, hunting, fishing, and…

Johnson, Jimmie Kenneth

(Encyclopedia) Johnson, Jimmie Kenneth, 1975–, American auto racer, b. El Cajon, Calif. Johnson began racing at five on motorcycles, progressed to off-road buggies and trucks as a teenager, and then…

Aru Islands

(Encyclopedia) Aru Islands or Aroe IslandsAroe Islandsboth: äˈr&oomacr; [key], group of about 95 low-lying islands, 3,306 sq mi (8,563 sq km), E Indonesia, in the Moluccas, in the Arafura Sea, SW…

Nassau, city, Bahamas

(Encyclopedia) NassauNassaunăˈsô [key], city (1990 pop. 172,196), capital of the Bahamas. A port on New Providence island, it has a large and beautiful harbor and is the commercial and social center…