cryptocrystalline

adjective cryp·to·crys·tal·line \ˌkrip-tō-ˈkris-tə-lən\

Definition of CRYPTOCRYSTALLINE

: having a crystalline structure so fine that no distinct particles are recognizable under a microscope <cryptocrystalline quartz>

International Scientific Vocabulary

First Known Use: 1862

Medical Dictionary

adjective cryp·to·crys·tal·line \ˌkrip-tō-ˈkris-tə-lən\

: having a crystalline structure so fine that no distinct particles are recognizable under the microscope

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