noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A type of natural or artificial glass formed by the sudden melting of silica sand or sandstone by extreme heat (for instance, from a lightning strike, impact event, or nuclear explosion), followed by rapid cooling. uncountable, usually
2. 2
   colorless glass made of almost pure silica wordnet

Synonyms

All synonyms

crystalquartzquartz glassquartz glassvitreous silica

Etymology

From Henry Louis Le Chatelier, the French chemist

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.