metamorphism noun.
[mɛtǝ'mɔ:fɪz(ǝ)m] M19.[formed as METAMORPHIC + -ISM.]Geology. Alteration of the composition or structure of a rock by heat, pressure, or other natural agencies.
dynamic metamorphism: see
DYNAMIC adjective.
progressive metamorphism: see
PROGRESSIVE adjective.
regional metamorphism: see
REGIONAL adjective.
[TahlilGaran] English Dictionary ▲