English

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Etymology

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From crypto- +‎ crystalline.

Adjective

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cryptocrystalline (not comparable)

  1. (petrology) Whose crystalline nature only becomes apparent at high levels of magnification.

Derived terms

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Translations

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Noun

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cryptocrystalline (countable and uncountable, plural cryptocrystallines)

  1. (petrology) A rock of this kind.