Met`a*mor"phic (?), a. [See Metamorphosis.]

1.

Subject to change; changeable; variable.

2.

Causing a change of structure.

3. 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.

 

© Webster 1913.

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