Metamorphic
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Pertaining to, produced by, or exhibiting, certain changeswhich minerals or rocks may have undergone since their originaldeposition; -- especially applied to the recrystallization whichsedimentary rocks have undergone through the influence of heat andpressure, after which they are called metamorphic rocks.
Metamorphic meaning & definition 1 of Metamorphic.
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Denoting or relating to rock that has undergone transformation by heat, pressure, or other natural agencies, e.g. in the folding of strata or the nearby intrusion of igneous rocks.
Metamorphic meaning & definition 2 of Metamorphic.
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(of rock) changed into a new form and structure by very great heat and pressure:
Metamorphic meaning & definition 3 of Metamorphic.