To scientists, a theory is an explanation of some feature of the world that meets three requirements: it is supported by evidence, is testable and falsifiable, and can be used to make predictions. As the first requirement shows, âtheoryâ in scientific use does not mean âguessâ or anything similar.
Look up ordinance in Wiktionary, the free dictionary. A local ordinance is a law usually found in a code of laws for a political division smaller than a state or nation, i.e., a local government such as a municipality, county, parish, prefecture, etc. 1  1 United States.  1.1 Alabama.
DEFINITION of 'Zoning Ordinance'. Written regulations and laws that define how property in specific geographic zones can be used. Zoning ordinances specify whether zones can be used for residential or commercial purposes, and may also regulate lot size, placement, bulk (or density) and the height of structures.REAKING DOWN 'Zoning Ordinance'. Zoning consists of dividing a particular region of land into districts or zones and specifying the types of land uses that are allowed and prohibited for each zone.