siliceous

• Relatif à la silice ou en contenant ; souvent utilisé en géologie et en chimie pour décrire des roches, des minéraux ou des matériaux composés de dioxyde de silicium ou riches en celui-ci.

Relating to or containing silica; often used in geology and chemistry to describe rocks, minerals, or materials composed of or rich in silicon dioxide.

1. Containing or resembling silicaC2formalscientific

   Relating to, containing, or having the properties of silica (silicon dioxide).

   siliceux

   • The siliceous rocks in this region are rich in quartz.
   • Diatoms have siliceous cell walls called frustules.
   • The soil here is highly siliceous, making it poor for agriculture.

   Synonymeschertyflintyquartzosesilicious