devitrification

/diːˌvɪtrɪfɪˈkeɪʃən/
noun
  1. The process by which a glassy or amorphous material turns into a crystalline solid, often making it brittle or cloudy.
    • The old window panes showed signs of devitrification, becoming cloudy and fragile.
    • Devitrification of volcanic glass can create interesting rock formations.
    • Scientists study devitrification to understand how certain ceramics age over time.
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