The sustained and cumulative diminishment of the importance of industry (especially manufacturing) in the economy of a particular place caused by declining profits and changes in local and global econ [..]

A city with a population greater than 10 milion that has a high degree of centrality within the national economy. Megacities are also usually primate cities. *

The number of people per unit area of arable (farmable) land. Compare agricultural density

The grouping of industrial or productive activities close to one another in order to create cost advantages, as in the creation of an industrial park or area of a city given over to industry.

The systematic cultivation of plants and animals. Systems of agriculture are highly variable over space and time. Generally speaking, agriculture can be divided into two classes: subsistence agricultu [..]

The number of farmers per unit area of arable (farmable) land. Compare arithmetic density

Literally, "apart-ness;" apartheid was a geographical system of racial control developed in South Africa. It operated at three scales - petty, urban, and grand (see Recitation 8) - and sough [..]

The number of people per unit area of all land. Compare agricultural density

A statement or condition agreed to be true for the purposes of a particular model

In diffusion