General Science

  • noun an order by a government or local council that an area of land shall be used only for a specific type of building or for a specific purpose, e.g. agricultural, industrial, recreational or residential


  • The reservation of certain specified areas within a community or city for buildings and structures, use of land, or purposes with limitations (such as height, lot coverage, and other stipulated requirements).
  • Dividing a building into sections for heating and cooling purposes.
  • A network of trenches that may contain coarse aggregate and distribution pipe, and is used to distribute septic tank effluent into the surrounding soil. See also disposal field, drain field.


  • noun the dividing of a town into different areas for planning purposes


  • The creation, assignment, determination, or division of something into zones.


  • noun an order by a local council that land shall be used only for one type of building