Metamorphic

Metamorphic - Other Definitions

• (a.) Subject to change; changeable; variable.
  
  
• (a.) Causing a change of structure.
  
  
• (a.) Pertaining to, produced by, or exhibiting, certain changes which minerals or rocks may have undergone since their original deposition; -- especially applied to the recrystallization which sedimentary rocks have undergone through the influence of heat and pressure, after which they are called metamorphic rocks.