Urbanizatioin的英文定义是什么?

Urbanization,urbanisation or urban drift is the physical growth of urban areas as a result of global change.Urbanization is also defined by the United Nations as movement of people from rural to urban areas with population growth equating to urban migration.The United Nations projected that half of the world's population would live in urban areas at the end of 2008.
Urbanization is closely linked to modernization,industrialization,and the sociological process of rationalization.
Urbanization can describe a specific condition at a set time,ie.the proportion of total population or area in cities or towns,or the term can describe the increase of this proportion over time.So the term urnbanization can represent the level of urban relative to overall population,or it can represent the rate at which the urban proportion is increasing.

城市化的意思 urban 是城市的意思 后面加ization的都是什么什么化的意思
比如local是本土的 localization是本土化的意思