hydrated silica in a hard granular form which is very hygroscopic and is used as a desiccant.
| 单词 | θ68949 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > compounds > silicas > silica gel (1) silica gel1920 hydrated silica in a hard granular form which is very hygroscopic and is used as a desiccant. |
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