Metamorphic-rock Definition
noun
(geology) One of the major groups of rock that makes up the crust of the Earth; consists of pre-existing rock mass in which new minerals or textures are formed at higher temperatures and greater pressures than those present on the Earth's surface.
Wiktionary
Other Word Forms of Metamorphic-rock
Noun
Singular:
metamorphic-rock
Plural:
metamorphic-rocks
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