Definition

1. Adjective:
   • Transformed into glass or a glass-like substance: Describes a material, typically ceramic or clay, that has been fired at a high temperature until it fuses into a hard, nonporous, and often glossy state resembling glass.
   • Having a glassy surface: Specifically refers to the condition of having a shiny, impermeable surface created by the fusion of a vitreous coating.

Usage and Examples

• As an Adjective:
  • The archaeologist found fragments of vitrified clay from the ancient kiln.
  • The floor was made of vitrified tiles, which made it easy to clean.
  • This process results in a vitrified coating that is highly resistant to chemicals.

Advanced Usage

• Technical/Scientific Context: In geology, "vitrified" can describe rocks or materials that have been melted by extreme heat (e.g., from a lightning strike or volcanic activity) and have cooled into a glass.
  • The intense heat of the meteorite impact created vitrified sand in the crater.

Variants and Related Words

• Vitrify (verb): To convert or be converted into glass or a glassy substance.
  • The high temperatures in the furnace will vitrify the clay.
• Vitrification (noun): The process or result of vitrifying.
  • The vitrification of nuclear waste is a method for long-term storage.
• Vitreous (adjective): Of, resembling, or having the nature of glass.
  • The material has a vitreous luster.

Synonyms

• Glazed: Coated with a glossy, often vitreous layer.
• Glassy: Having the appearance or properties of glass.
• Fused: Joined or blended by melting.

Antonyms

• Porous: Having tiny holes that allow water or air to pass through.
• Unglazed: Not coated with a glossy, vitreous layer.
• Earthen: Made of baked clay, typically unvitrified and porous.

Adjective

1. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it
   • glazed pottery
   • glassy porcelain
   • hard vitreous china used for plumbing fixtures