Etymology
From New Latin silica, from Latin silex (hard stone, flint), on model of alumina, soda.
Noun
silica (countable and uncountable, plural silicas)
- Silicon dioxide, or SiO2, a hard glassy mineral.
- Any of the silica group of the silicate minerals.
Derived terms
- silica gel
- silica glass
- silicate
- silica wool
- siliceous
- silicic
Related terms
- silex
- silicon
Credits
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