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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 sil·i·ca /ˈsɪlɪkə/
 矽石,無水矽酸,矽土

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 sil·i·ca /ˈsɪlɪkə/ 名詞
 硅酸酐,二氧化硅

From: Webster's Revised Unabridged Dictionary (1913)

 Sil·i·ca n.  Chem. Silicon dioxide, SiO░. It constitutes ordinary quartz (also opal and tridymite), and is artifically prepared as a very fine, white, tasteless, inodorous powder.
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From: WordNet (r) 2.0

 silica
      n : a white or colorless vitreous insoluble solid (SiO2);
          various forms occur widely in the earth's crust as quartz
          or cristobalite or tridymite or lechartelierite [syn: silicon
           oxide, silicon dioxide]