Coesite
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A high-pressure polymorph of silica found in extreme conditions such as the impact craters of meteorites, with the chemical composition of silicon dioxide, SiO₂. countable, uncountable
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.