| 释义 |
metamorphism|mɛtəˈmɔːfɪz(ə)m|
[Formed as metamorphic + -ism.]
1. Geol. The process of change of form or structure produced in a rock by various natural agencies; the quality of being metamorphic.
1845Encycl. Metrop. VI. 564/1 By the metamorphism of the chalk into the characters of primary limestone. 1854Woodward Mollusca ii. 223 Shell impunctate: Profr. King attributes this to metamorphism. 1865Page Geol. Terms s.v., This change, or metamorphism, whether produced by heat, pressure, or chemical agency, has conferred upon them [sc. the crystalline schists] the term of Metamorphic rocks.
2. The process of metamorphosis (of an insect).
1866Tate Brit. Mollusks iv. 153 An insect in its second stage of metamorphism. |