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English definition of “metamorphic”

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adjective uk   /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.
(Definition of metamorphic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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