Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
- Metamorphic rock
Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase. Note: Examples are marble, which can be formed from limestone, and slate, which is formed from shale.
[met-uh-mawr-fiz-uh m] /ˌmɛt əˈmɔr fɪz əm/ noun 1. Geology. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, especially when the rock becomes harder and more completely crystalline. 2. Archaic. . /ˌmɛtəˈmɔːfɪzəm/ noun 1. the process by which metamorphic rocks are formed 2. a variant of […]
metamorphopsia met·a·mor·phop·si·a (mět’ə-môr-fŏp’sē-ə) n. A visual disorder in which images appear distorted in various ways.
[met-uh-mawr-fohz, -fohs] /ˌmɛt əˈmɔr foʊz, -foʊs/ verb (used with object), metamorphosed, metamorphosing. 1. to change the form or nature of; transform. 2. to subject to or metamorphism. verb (used without object), metamorphosed, metamorphosing. 3. to undergo or be capable of undergoing a change in form or nature. /ˌmɛtəˈmɔːfəʊz/ verb 1. to undergo or cause to […]