of, relating to, consisting of, or resembling silica

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  • Siliceous — Si*li ceous, a. [L. siliceus, fr. silex, silicis, a flint.] Of or pertaining to silica; containing silica, or partaking of its nature. [Written also {silisious}.] [1913 Webster] …   The Collaborative International Dictionary of English

  • siliceous — [sə lish′əs] adj. [L siliceus] 1. of, containing, or like silica 2. growing in soil that has a large proportion of silica in it: Also sp. silicious …   English World dictionary

  • siliceous — also silicious adjective Etymology: Latin siliceus of flint, from silic , silex hard stone, flint Date: circa 1656 of, relating to, or containing silica or a silicate < siliceous limestone > …   New Collegiate Dictionary

  • siliceous — Containing silica. SYN: silicious. * * * si·li·ceous also si·li·cious sə lish əs adj of, relating to, or containing silica or a silicate <a siliceous cement used in dentistry> * * * si·li·ceous (sĭ lishґəs) containing silica or a… …   Medical dictionary

  • siliceous — silica ► NOUN ▪ silicon dioxide, a hard, unreactive, colourless compound which occurs as quartz and in sandstone and many other rocks. DERIVATIVES siliceous adjective. ORIGIN from Latin silex flint , on the pattern of words such as alumina …   English terms dictionary

  • siliceous — adjective relating to or containing or resembling silica gritrock is siliceous sandstone • Syn: ↑silicious • Pertains to noun: ↑silica (for: ↑silicious), ↑silica …   Useful english dictionary

  • Siliceous rock — Siliceous rocks are sedimentary rocks that have silica (SiO2) as the principal constituent. The most common siliceous rock is Chert other types include Diatomite. They commonly form from silica secreting organisms such as radiolarians, diatoms,… …   Wikipedia

  • Siliceous ooze — is composed of the debris of plankton with silica shells, such as diatoms and radiolaria. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The least common type of… …   Wikipedia

  • siliceous rock — Any of a group of sedimentary rocks that consist largely or almost entirely of silicon dioxide (SiO2), either as quartz or as chert, the most common siliceous rock. It occurs in beds and in nodules. Bedded cherts may be an original organic or… …   Universalium

  • siliceous sponge — ▪ sponge       any sponge in which the main skeletal component is silica as opposed to calcium carbonate or fibrous organic materials only. More than 95 percent of all known sponge species have a siliceous skeleton and belong to the class… …   Universalium

  • Siliceous sinter — Sinter Sin ter, n. [G. Cf. {Cinder}.] (Min.) Dross, as of iron; the scale which files from iron when hammered; applied as a name to various minerals. [1913 Webster] {Calcareous sinter}, a loose banded variety of calcite formed by deposition from… …   The Collaborative International Dictionary of English

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