| Term | Definition |
| Renewable Energy | a resource that has a theoretically unlimited supply and is not depleted when used by humans |
| Resource | a substance in the environment that is useful to people, is economically and technologically feasible to accessm and is socially accepta ble to use |
| Retail Services | services that provide goods for sale to consumers |
| Right to Work State | a US State that has passed a law preventing a uion and company from negotiating a contract that requires workers to join a union as a condition of employment |
| Rush or Peak Hour | The four consecutive 15 minute periods in the morning and evening with the heaviest volumes of traffic |
| Sanitary Landfill | a place to deposit solid waste, where a layer of earth is bulldozed over garbage each day to reduce emission of agasses and odors from the decaying trash, to minimize fires and to discourage vermin |
| Sawah | a flooded field for growing rice |
| Scale | the relationship between the size of an object on a map and the size of the actual feature on Earth's surface |
| Secondary Sector | the portion of the economy concerned with manufacturing useful products through processing, transforming, and assembling raw materials |
| Sect | a relatively small group that has broken away from an established denomination |
| Sector Model | a model of the internal structure of cities in which social groups are arranged around a series of sectors, or wedges, radiation out from the central business district (CBR) |
| Seed Agriculture | reproduction of plants through annual introduction of seeds, which result in sexual fertilizaiton |
| Self Determination | concept that ethnicities have the right to govern themselves |
| Service | any activity that fulfills a human want or need and returns money to those who provide it |
| Settlement | a permanent collection of buildings and inhabitants |
| Sex Ratio | the number of males per 100 females in the population |
| Share Cropper | a person who works fields rented form a landowner and pays the rent and repays the loan by turning over to the landowner a share of the crop |
| Shifting Cultivation | a form a subsistence agriculture in which people shift activity from one field to another; each field is used for crops for relatively few years and left fallow for a relatively long period |
| Site | the physical characteristics of a place |
| Site Factors | locations factors related to the costs of factors of production inside the plan, such as land, labor and capital |
| Situation | the location of a place relative to other places |
| Situation Factors | locations factors related to the transportation of materials into the and from a factory |
| Slash and Burn Agriculture | another name for shifting cultivation, so named because fields are cleared by slashing the vegetation and burning the debris |
| Solstice | time when the sun is farthest from the equator |
| Sovereignty | ability of a state to govern its territory free from control of its intrernal by other states |
| Space- time compression | the reduction in the time it takes to diffuse something to a distant place, as a result of improved communications and transportation systems |
| Spanglish | combination of Spanish and English, spoken by Hispanic - Americans |
| Sprawl | development of new housing sites at relatively low density and at locations that are not contiguous to the existing built- up area |
| Spring Wheat | wheat planted in the spring and harvested in the late summer |
| Squatter Settlement | an are within a city in a less developed country in which people illegally establish residences on land they do not won or rent and erect homemade structures |
| Standard Language | the form of a language used for official goverment business, education, and mass communications |
| State | an area organized into a political unit and ruled by an established goverment with control over its internal and foreign affairs |
| Stimulus Diffusion | the spread of underlying principle, even though a specific characteristic is rejected |
| Structural Adjusted Program | economic policies imposed on less developed countries by international agencies to create conditions encouraging internation trade, such as raising taxes, reducing government spending, controlling inflation, selling publicly owned utilities to private corporationsm and charging citizens more for services |
| Subsistence Agriculture | agriculture designed primarily to provide food for direct consumption by the farmer and the farmer's family |
| Sustainable Agriculture | farming methods that perserve long- term productivity of land and minimize pollution, typically by rotation future generations will be unable to achieve a comparable level of development |
| Sustainable Development | the level of development that can be maintained in a country without depleting resources to the extent that future generations will be unable to achieve a comparable level of development |
| Swidden | a patch of land cleared for planting through slashing and burning |
| Taboo | a restriction on behavior imposed by social custom |
| Tertiary Sector | the portion of the economy concerned with transprotation, communications, and utilities, sometimes extended to the provision of all goods and services to people in exchange for payment |
| Textile | a fabric made by weaving, used in making clothing |
| Thresh | to beat out grain from stalks by trampling it |