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Word

crystal

noun C1
/ˈkɹɪstəl/

Meanings

noun

a clear, solid mineral with a regular structure, often forming geometric shapes and sparkling surfaces

crystal: a clear, solid mineral with a regular structure, often forming geometric shapes and sparkling surfaces
noun

high-quality glass, especially used for elegant drinking glasses and bowls that sparkle in the light

crystal: high-quality glass, especially used for elegant drinking glasses and bowls that sparkle in the light
noun

a solid substance in which atoms or molecules are arranged in a regular, repeating pattern

crystal: a solid substance in which atoms or molecules are arranged in a regular, repeating pattern

Definition

A crystal is a clear, solid material with a regular geometric structure, often used for decoration or in scientific contexts.

A crystal is a solid in which the particles are arranged in a repeating, orderly pattern, giving it a characteristic shape and sparkle. Many crystals occur naturally, while others are grown in laboratories. In everyday English, the word often refers to a clear, decorative mineral or to high-quality glassware made from crystal glass.

Examples

  • The museum displayed a crystal that caught the light and broke it into sharp, bright flashes.
  • I kept the crystal on my desk because its clean facets made the whole space feel calmer.
  • She ordered crystal glasses for the reception, hoping the table would look more refined.
  • They grew a crystal in the lab to observe how the structure developed under controlled conditions.

Common mistake

Learners sometimes say "a crystal glass" when they mean the material in general; use "crystal" as an uncountable noun for the material (e.g., "made of crystal").

More at C1 level

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