• WordNet 3.6
    • adj silicious relating to or containing or resembling silica "gritrock is siliceous sandstone"
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Webster's Revised Unabridged Dictionary
    • a Silicious See Siliceous.
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Century Dictionary and Cyclopedia
    • silicious Containing or resembling silica, or having its general character.
    • silicious In zoology, containing or consisting of silica or silicious substance in one or another form: as, silicious sponges; silicious sponge-spicules; the silicious test or skeleton of various protozoans, especially radiolarians.
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Chambers's Twentieth Century Dictionary
    • adjs Silicious pertaining to, containing, or resembling silica
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Chambers's Twentieth Century Dictionary
L. silex, silicis, flint.


In literature:

The soil was light and friable, and below lay a bed of silicious tufa; therefore, even without tools, the aperture deepened quickly.
"In Search of the Castaways" by Jules Verne
The glaze is made from the silicious clay and potash extracted from wood ashes.
"Scientific American Supplement, No. 303" by Various
These consisted chiefly of quartz, felspar, and a silicious petrifaction of woody appearance.
"Journal of an Expedition into the Interior of Tropical Australia" by Thomas Mitchell
We followed the sea-shore, which is composed of silicious sand, and covered with a carpet of creeping shore plants in full bloom.
"The Former Philippines thru Foreign Eyes" by Tomás de Comyn
Mixed among the white substance is a quantity of silicious clay of all sorts and conditions of color.
"My Native Land" by James Cox
The staple of the soil ought to be silicious, fertile, and deep.
"The Commercial Products of the Vegetable Kingdom" by P. L. Simmonds
The purity of these waters is borrowed from the silicious quality of the soil.
"History and Comprehensive Description of Loudoun County, Virginia" by James W. Head
Handsomely-shaped and well-polished skinning knife of a remarkably fine-grained silicious slate.
"Illustrated Catalogue Of The Collections Obtained From The Indians Of New Mexico And Arizona In 1879" by James Stevenson
Other dead vegetation, because of the highly silicious water, always gets petrified unless it is eaten first.
"Uller Uprising" by Henry Beam Piper, John D. Clark and John F. Carr
Silicious, or sandy; 3.
"Thomas Davis, Selections from his Prose and Poetry" by Thomas Davis
Why, haven't you silicious sand, the lime from the coral and shells and soda from the seaweeds of thousands of years.
"Fire Island" by G. Manville Fenn
The soil of this bottom is an argillaceous or a silicious loam, according as clay or sand happens to predominate in its formation.
"A New Guide for Emigrants to the West" by J. M. Peck
Rock cristal, or pure silicious earth, is infusible, but becomes capable of being softened or fused when mixed with other substances.
"Elements of Chemistry," by Antoine Lavoisier
It apparently belongs to the silicious ware of the north.
"Ancient Pottery of the Mississippi Valley" by William H. Holmes
The only practical mode of doing this, as yet devised, is by lining the converter with a silicious mixture.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3" by Various
Its compactness, superior softness, specific gravity, and coloring matter, distinguish it from silicious sinter.
"Scenes and Adventures in the Semi-Alpine Region of the Ozark Mountains of Missouri and Arkansas" by Henry Rowe Schoolcraft
Glass is a substance produced from a combination of silicious earths with alkalies, and, in many cases, with metallic oxydes.
"Popular Technology; Volume 2" by Edward Hazen
Silicious slate was formed later by mechanical crystallization.
"An Introduction to the History of Science" by Walter Libby
The surface rock is hard, silicious limestone with bands of flint.
"Biblical Geography and History" by Charles Foster Kent
Granite is quarried and silicious sand, employed in glass-making is found.
"Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 5" by Various