From Biology-Online Dictionary | Biology-Online Dictionary


1. Subject to change; changeable; variable.

2. Causing a change of structure.

3. (Science: geology) 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.

See: metamorphosis.