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English definition of “metamorphic”

metamorphic

adjective     /ˌmet.əˈmɔː.fɪk/ US  /ˌmet̬.əˈmɔːr-/ specialized
(of rock) changed into a new form and structure by very great heat and pressure: Slate and gneiss are metamorphic rocks. → Compare igneous, sedimentaryTypes of rockPrecious and semi-precious stones
(Definition of metamorphic adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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