be conventionally listed in a dictionary as a separate entry
21South Africa — Republic of, a country in S Africa; member of the Commonwealth of Nations until 1961. 42,327,458; 472,000 sq. mi. (1,222,480 sq. km). Capitals: Pretoria and Cape Town. Formerly, Union of South Africa. * * * South Africa Introduction South Africa… …
22Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
23Maize — This article is about the cereal grain, primarily known as corn in the United States. For other uses, see Maize (disambiguation). Corn redirects here. For other uses, see Corn (disambiguation). Maize Illustration depicting both male and female… …
24Economic model — A diagram of the IS/LM model In economics, a model is a theoretical construct that represents economic processes by a set of variables and a set of logical and/or quantitative relationships between them. The economic model is a simplified… …
