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metamorphic
From The Collaborative International Dictionary of English v.0.48:
Metamorphic \Met`a*mor"phic\, a. [See Metamorphosis.] 1. Subject to change; changeable; variable. [1913 Webster] 2. Causing a change of structure. [1913 Webster] 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. [1913 Webster]
