Related formsnon·met·a·mor·phic, adjectivepre·met·a·mor·phic, adjectiveun·met·a·mor·phic, adjective
Examples from the Web for metamorphic
These other members of the metamorphic series are, in this case, considered as subordinate to the true gneiss.A Manual of Elementary Geology|Charles Lyell.
The clay slate is metamorphic, being almost entirely composed of mica.The Commercial Products of the Vegetable Kingdom|P. L. Simmonds
Metamorphic rocks—rocks that have been altered by great heat, pressure, or both.Natural Gemstones|Various
The mountains along the canyon are all of metamorphic rock, splintered and shivered by too rapid cooling.A Summer's Outing|Carter H. Harrison
Metamorphic rocks have lost not only their original structure and appearance, but also their included organic remains, or fossils.Extinct Monsters|H. N. Hutchinson