Weathering. Weathering is the alteration and breakdown of rock minerals and rock masses when they are exposed to the atmosphere. Weathering processes occur in situ, that is, in the same place, with no major movement of rock materials involved.
Lawful action, such as an agreement consciously agreed to by two or more entities, establishing lawful accountability. For example, an apartment lease legally binds the lessor and the lessee. An illegal action, such as forcing, tricking, or coercing a person into an agreement, is not legally binding.
Related Terms. Common legal phrase indicating that an agreement has been consciously made, and certain actions are now either required or prohibited. For example, a lease for an apartment is legally binding, because upon signing the document, the lessor and the lessee are agreeing to a number of conditions.