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51climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
52coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …
53education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
54gymnastics — /jim nas tiks/, n. 1. (used with a pl. v.) gymnastic exercises. 2. (used with a sing. v.) the practice art, or competitive sport of gymnastic exercises. 3. (used with a pl. v.) mental feats or other exercises of skill: Verbal gymnastics. [1645… …
55skiing — /skee ing/, n. the act or sport of gliding on skis. [1890 95; SKI + ING1] * * * I Sport and mode of transportation involving moving over snow on a pair of long flat runners (skis) attached to shoes or boots. Skiing was born in northern Europe;… …
56Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
57Mineral industry of Africa — The mineral industry of Africa is one of the largest mineral industries in the world. Africa is the second biggest continent, with 30 million km² of land, which implies large quantities of resources. For many African countries, mineral… …
58baseball — /bays bawl /, n. 1. a game of ball between two nine player teams played usually for nine innings on a field that has as a focal point a diamond shaped infield with a home plate and three other bases, 90 ft. (27 m) apart, forming a circuit that… …
59optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
60Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …
