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TOEFL BNC: 17091 COCA: 19564

silica

Word family
Related topics: Compounds, Geology
sil·i·ca /ˈsɪlɪkə/ noun [uncountableU]  
HCCHEGa chemical compound that exists naturally as sand, quartz, and flint, used in making glass 硅石,二氧化硅
Examples from the Corpus
Origin silica
(1800-1900) Modern Latin Latin silex flint
sil·i·ca noun
Chinese
Syllable
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