Definitions for metamorphismˌmɛt əˈmɔr fɪz əm

This page provides all possible meanings and translations of the word metamorphism

Random House Webster's College Dictionary

met•a•mor•phismˌmɛt əˈmɔr fɪz əm(n.)

  1. a change in the constitution of a rock by natural means, as pressure and heat.

    Category: Geology

Origin of metamorphism:

1835–45

Princeton's WordNet

  1. metamorphism(noun)

    change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances

Wiktionary

  1. metamorphism(Noun)

    The process by which rocks are changed into other forms by the application of heat and/or pressure.

  2. metamorphism(Noun)

    The process by which insects development through life stages -- as, for example, those of embryo, larva, pupa and imago. The life cycle of the butterfly is one of complete metamorphosis, in which the embryo grows within the egg, hatches into the larval stage caterpillar, enters the pupal stage within its chrysalis, and finally emerges as an adult butterfly imago.

Webster Dictionary

  1. Metamorphism(noun)

    the state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble

Freebase

  1. Metamorphism

    Metamorphism is the change of minerals or geologic texture in pre-existing rocks, without the protolith melting into liquid magma. The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. The chemical components and crystal structures of the minerals making up the rock may change even though the rock remains a solid. Changes at or just beneath Earth's surface due to weathering and/or diagenesis are not classified as metamorphism. Metamorphism typically occurs between diagenesis 200°C, and melting 850°C. Three types of metamorphism exist: contact, dynamic and regional. Metamorphism produced with increasing pressure and temperature conditions is known as prograde metamorphism. Conversely, decreasing temperatures and pressure characterize retrograde metamorphism.

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