- a microcrystalline form of silica usually occurring as bands or layers of pebbles in sedimentary rock. Formula: SiO2. Varieties include flint, lyddite (Lydian stone)
ˈcherty adj
| 单词 | chert |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 chert (chûrt),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: chert /tʃɜːt/ n
ˈcherty adj |
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