silicious
9.9
A rock or material that contains a lot of silica, a hard mineral
- adjective
- /sɪˈlɪʃəs/
- Specialized
:
silíceo
- The silicious rock formation in the valley is primarily made of quartz.
Examples
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The soil in this area is silicious, making it ideal for growing certain types of plants.
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Many companies now produce silicious materials for high-tech electronic products.
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Good PR for the newspapers, good source material for silicious media reports, but we never had that.
Synonyms
Made of or containing silica, the hard material in sand and glass
is more specific and means mainly composed of silica
Containing a lot of silica, like some rocks and volcanic magma
is a general term meaning mainly composed of silica rather than derived from it
Surface Forms
silicious positive
Morphology
Etymology
Silicious comes from the Latin root silic-, which meant 'flint' or 'hard stone', and is the same root as silica and silicon. So, to call a rock silicious is to say it is like 'flint' or is made mostly of silica, the material in sand and glass.