Definition of devitrify in US English:


verbdevitrifies, devitrified, devitrifying

[no object]
  • (with reference to glass or vitreous rock) become or make hard, opaque, and crystalline.

    no object ‘glasses are not particularly stable materials, and in the course of time they devitrify’
    ‘bands of devitrified glass’
    • ‘According to Aghabawa, the rhyolites were extruded as siliceous lava, which solidified as glass and was subsequently devitrified.’
    • ‘These ashes would rapidly hydrate and devitrify, yielding highly soluble sodium silicates that produce silica gels, clinoptilolite, and montmorillonite.’
    • ‘There was also some devitrifying glass that needed the same epoxy infusion as that in the Easter Morning window.’
    • ‘The tendency of glass to devitrify is a result of the atoms moving from a higher to a lower energy state.’
    • ‘They have a porphyritic texture with prismatic plagioclase phenocrystals, small, aciculate plagioclase crystals and a partially devitrified, near-opaque matrix.’
    • ‘Because of their tendency to crystallize (devitrify), most natural terrestrial glasses are geologically young.’
    • ‘Thunder eggs with minimal or no external ribs and of a comparatively uniform spherical shape (locally known as ‘cannon balls’) are composed only of siliceous, devitrified rhyolite without a central cavity.’
    • ‘Broken and devitrified pieces were glued and consolidated, and the painted areas received some infill painting to restore the overall look.’
    • ‘I think it might need another fusing, though it worries me a bit, because that will be number 4 (first one is when it's made), and this glass might devitrify.’