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Natives, South American
(Encyclopedia) Natives, South American, aboriginal peoples of South America. In the land mass extending from the Isthmus of Panama to Tierra del Fuego, Native American civilizations developed long…vasectomy
(Encyclopedia) vasectomy, male sterilization by surgical excision of the vas deferens, the thin duct that carries sperm cells from the testicles to the prostate and the penis. Vasectomy is a popular…alien
(Encyclopedia) alien, in law, any person residing in one political community while owing allegiance to another. A procedure known as naturalization permits aliens to become citizens. Each nation…coenzyme
(Encyclopedia) coenzymecoenzymekō-ĕnˈzīm [key], any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by…Romanian language
(Encyclopedia) CEE Romanian language, member of the Romance group of the Italic subfamily of the Indo-European family of languages (see Romance languages). It is spoken by about 22 million people…incinerator
(Encyclopedia) incinerator, furnace for burning refuse. The older and simpler kind of incinerator was a brick-lined cell with a metal grate over a lower ash pit, with one opening in the top or side…Jagatai
(Encyclopedia) JagataiJagataijăgətīˈ [key], d. 1242, Mongol conqueror; son of Jenghiz Khan. He led large armies on his father's campaigns of conquest. When the empire was divided in 1227 among…electronegativity
(Encyclopedia) electronegativityelectronegativityĭlĕkˌtrōnĕgətĭvˈətē [key], in chemistry, tendency for an atom to attract a pair of electrons that it shares with another atom (see chemical bond). For…bee moth
(Encyclopedia) bee moth,&sp;greater wax moth, or honeycomb moth, common name for an insect pest of honeycombs. Bee moths do damage during their larval stages, injuring combs and honey. The moth…Przewalski's horse
(Encyclopedia) Przewalski's horsePrzewalski's horsepshəvälˈskēz [key], wild horse of Asia, Equus przewalski, E. ferus przewalski, or E. caballus przewalski, the only extant wild horse that, in the…