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cryptocrystalline

[ krip-toh-kris-tl-in, -ahyn ]

adjective

, Mineralogy.
  1. having a microscopic crystalline structure.


cryptocrystalline

/ ˌkrɪptəʊˈkrɪstəlaɪn /

adjective

  1. (of rocks) composed of crystals that can be distinguished individually only by the use of a polarizing microscope


cryptocrystalline

/ krĭp′tō-krĭstə-lĭn,-līn′ /

  1. Having a microscopic crystalline structure, as the mineral chalcedony does.


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Word History and Origins

Origin of cryptocrystalline1

First recorded in 1860–65; crypto- + crystalline

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Example Sentences

That is, the metamorphic rocks are characteristically holocrystalline, while igneous rocks are porphyritic, or cryptocrystalline.

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