Meaning & use
metamorphic rock
Rock that has been transformed from an existing rock type by intense heat and pressure, without fully melting.
See it in a sentence
Marble is a metamorphic rock formed from limestone under heat and pressure.
Geologists identified layers of metamorphic rock deep within the mountain range.
A note on using this word
Metamorphic rock is one of the three main rock categories, alongside igneous and sedimentary rock.
Words with a similar meaning
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