Superlative form of glazy; having the most glaze or the most glossy, smooth, glass-like appearance.
From 'glazy' (adjective meaning resembling glaze) plus the superlative suffix -est. The root traces back to 'glaze,' which comes from glass-related Old English terms.
The glaziest pottery from ancient China was so smooth and reflective that it was sometimes used as a mirror substitute—potters developed special firing techniques to achieve that perfect glass-like finish.
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