New Encyclopædia Britannica: MacropædiaEncyclopædia Britannica, 1997 - Encyclopedias and dictionaries |
Common terms and phrases
20th century Abelian group addition aesthetic Afghanistan agricultural alcohol algae algebra American Indian ancient animal basin called central centre ceremonial climate coast complex numbers Congo contains countries crops cultivation culture dance defined desert developed drinking drug East eastern Egypt elements equations European example feet field Figure finite forest function functor Igbo important integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land lattice Lie algebra linear literature major mapping masks Mexico miles modern Mountains multiplication Niger Nigeria Nile North northern novel patterns percent period plant Plateau polynomial population Pueblo rainfall real numbers region ring ritual River Sahara savanna social soils songs South Africa southern Africa species style subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation West Africa western Yoruba Zaire Zambia Zimbabwe