metamorphic

/ˌmɛtəˈmɔrfɪk/
adjective
  1. Describing a type of rock that has been changed by heat, pressure, or chemical processes deep underground.
    • Marble is a metamorphic rock that forms when limestone is heated and compressed.
    • The mountains contain large deposits of metamorphic slate used for roofing.
    • Geologists study metamorphic rocks to learn about the history of Earth's crust.
  2. Relating to a major change in form, structure, or character.
    • Her metamorphic transformation from shy student to confident speaker amazed everyone.
    • The city experienced a metamorphic change after the new subway system was built.
    • The company underwent a metamorphic shift when it switched from manufacturing to software.
What does "metamorphic" mean? | whatsthatwordmean | whatsthatwordmean