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dragonfly

(Encyclopedia) dragonfly, any insect of the order Odonata, which also includes the damselfly. Members of this order are generally large predatory insects and characteristically have chewing…

hockey, field

(Encyclopedia) hockey, field, outdoor stick and ball game. Field hockey, like many sports, is of obscure origins, but traces in one form or another to the ancient Egyptians and Persians, making it…

gladiators

(Encyclopedia) gladiators [Lat.,=swordsmen], in ancient Rome, class of professional fighters, who performed for exhibition. Gladiatorial combats usually took place in amphitheaters. They probably…

dividend

(Encyclopedia) dividend, that part of the net earnings of a corporation that is distributed to its stockholders. Dividend disbursements are based on a percentage of the par value of the stock or are…

Welty, Eudora

(Encyclopedia) Welty, Eudora, 1909–2001, American author, b. Jackson, Miss., grad. Univ. of Wisconsin, 1929. One of the important American regional writers of the 20th cent. and one of the finest…

Beyoncé

(Encyclopedia) Beyoncé, 1981- , American popular singer, songwriter, and actress, b. Beyoncé Giselle Knowles, Houston, Tx. Beyoncé first gained fame…

lungs

(Encyclopedia) lungs, elastic organs used for breathing in vertebrate animals, excluding most fish, which use gills, and a few amphibian species that respire through the skin. The word is sometimes…

hydrolysis

(Encyclopedia) hydrolysishydrolysishīdrŏlˈĭsĭs [key], chemical reaction of a compound with water, usually resulting in the formation of one or more new compounds. The most common hydrolysis occurs…

hockey, ice

(Encyclopedia) hockey, ice, team sport in which players use sticks to propel a hard, round disk into a net-backed goal. The NHL long regarded itself as the world's elite, but the overwhelming…

neutron

(Encyclopedia) neutron, uncharged elementary particle of slightly greater mass than the proton. It was discovered by James Chadwick in 1932. The stable isotopes of all elements except hydrogen and…