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siliceous

adj — 2 senses

siliceous

adj

/sɪˈlɪ.ʃəs/

1

Chemistry, Natural sciences, Physical sciences Of, relating to, consisting of, or resembling silica or silicates.

2

Geography, Geology, Natural sciences Comprised of biogenic silicate minerals. Contrasted with the inorganic term siliciclastic.

Derived terms
biosiliceous, calcareosiliceous, nonsiliceous, siliceousness

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.