- a microcrystalline often greyish form of quartz with crystals arranged in parallel fibres: a gemstone. Formula: SiO2
chalcedonic /ˌkælsɪˈdɒnɪk/ adj
单词 | chalcedony |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 chal•ced•o•ny (kal sed′n ē, kal′sə dō′nē),USA pronunciation n., pl. -nies.
Collins Concise English Dictionary © HarperCollins Publishers:: chalcedony /kælˈsɛdənɪ/ n ( pl -nies)
chalcedonic /ˌkælsɪˈdɒnɪk/ adj |
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