Siliceous definition

sĭ-lĭshəs
Containing, resembling, relating to, or consisting of silica.
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Of, containing, or like silica.
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Growing in soil that has a large proportion of silica.
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Resembling or containing silica.
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(chemistry) Of, relating to, consisting of, or resembling silica or silicates.
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Origin of siliceous

  • From Latin siliceus of flint from silex silic- flint

    From American Heritage Dictionary of the English Language, 5th Edition

Siliceous Sentence Examples

  • The surface soil is clay in which are embedded fragments of siliceous sandstone, used for millstones and constructional purposes; the subsoil is limestone.

  • The siliceous Claiborne (or Tallahatta Buhrstone) formation lies south-westward from the last-named in a strip 10-30 m.

  • The Jackson formation south-west of the Lisbon beds, is made up chiefly of grey calcareous clay marls, bluish lignitic clays, green-sand and grey siliceous sands.

  • About half of the varieties of forest trees in the United States are found, and 1 Almost everywhere limestone is the underlying rock, but siliceous sands, brought out by the Atlantic rivers to the N.E., are carried the whole length of the Florida coast by marine action.

  • Muscovite and biotite are commonly found in siliceous rocks, whilst phlogopite is characteristic of calcareous rocks.

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