metamorphic Meaning, Definition & Usage

adjective of or relating to metamorphosis (especially of rocks)
metamorphous.
- metamorphic stage
- marble is a metamorphic rock that takes a high polish
adjective characterized by metamorphosis or change in physical form or substance

See Metamorphosis.

Subject to change; changeable; variable.
Causing a change of structure.
(Geol.) 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.