silica

sil·i·ca

 (sĭl′ĭ-kə)

n.

A white or colorless crystalline compound, SiO₂, which in the form of quartz and certain other minerals is a chief component of the earth's crust. Silica sand is used in making a wide variety of materials, such as glass and concrete.

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[New Latin, from Latin silex, silic-, hard stone, flint.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

silica

(ˈsɪlɪkə)

n

1. (Elements & Compounds) the dioxide of silicon, occurring naturally as quartz, cristobalite, and tridymite. It is a refractory insoluble material used in the manufacture of glass, ceramics, and abrasives

2. (Elements & Compounds) short for silica glass

[C19: New Latin, from Latin: silex]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sil•i•ca

(ˈsɪl ɪ kə)

n.

the dioxide form of silicon, SiO₂, occurring esp. as quartz sand, flint, and agate: used chiefly in the manufacture of glass, water glass, ceramics, and abrasives.

[1795–1805; < New Latin, derivative of Latin silex hard stone, flint, boulder]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sil·i·ca

(sĭl′ĭ-kə)

Silicon dioxide, SiO₂, a compound that occurs widely in rocks and mineral forms, such as quartz, sand, and flint, and is used to make glass, concrete, and other materials.

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siliceous (sĭ-lĭsh′əs) adjective

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Thesaurus

Noun

1.

silica - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite silicon dioxide, silicon oxide cristobalite - a white mineral consisting of silica; found in volcanic rocks quartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities chert - variety of silica containing microcrystalline quartz flint - a hard kind of stone; a form of silica more opaque than chalcedony lechatelierite, quartz, quartz glass, vitreous silica, crystal - colorless glass made of almost pure silica oxide - any compound of oxygen with another element or a radical silex - a pure form of finely ground silica tridymite - a mineral form of silica

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

silice

silice

silica

[ˈsɪlɪkə] N → sílice f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

silica

[ˈsɪlɪkə] n → silice fsilica gel n → gel m de silice

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

silica

n → Kieselerde f

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

silica

[ˈsɪlɪkə] n → silice f

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

silica

n sílice m

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.