crystalline

/ˈkrɪstəlaɪn/
adjective
  1. Made of or resembling crystals; very clear and transparent.
    • The scientist examined the crystalline structure of the mineral under a microscope.
    • She wore a necklace with a crystalline pendant that sparkled in the sun.
    • The lake was so clean that the water looked crystalline.
  2. Very clear and easy to understand; perfectly clear.
    • The instructions were crystalline, so nobody had any questions.
    • The teacher gave a crystalline explanation of the math problem.
    • Her voice was crystalline, and every word was easy to hear.
What does "crystalline" mean? | whatsthatwordmean | whatsthatwordmean