Silica definition

Silica means silicon dioxide (occurring in crystalline, amorphous and impure forms), silica particles, silica dust or silica compounds.
Silica means chert quartz quartzite silica sand or other materials containing a high percentage of silicon dioxide used as a source of silicon;
Silica means silica in any form and any of its derivatives, including but not limited to silica dust, silicon dioxide, crystalline silica, quartz, or non-crystalline (amorphous) silica.

Examples of Silica in a sentence

  • I have reviewed this Quarterly Report on Form 10-Q of U.S. Silica Holdings, Inc.

  • I have reviewed this quarterly report on Form 10-Q of U.S. Silica Holdings, Inc.

  • I have reviewed this annual report on Form 10-K of U.S. Silica Holdings, Inc.

  • I have reviewed this Annual Report on Form 10-K of U.S. Silica Holdings, Inc.

  • Silica introduction, usually as narrow veinlets, is not common and may be related to aplite dyking or metasomatism.


More Definitions of Silica

Silica means a respirable crystalline form of silicon dioxide, including quartz, cristobalite, and tridymite.
Silica means Silica Financial Administration Solutions Proprietary Limited, registration number 1999/024544/07 and has been appointed as an Administrator for processing of all applications and Investor information. Silica is an authorised administrative financial services provider in terms of FAIS and acts as execution agent.
Silica means, but is not limited to, any substance containing silicon dioxide (SiO2), including, but not limited to, crystalline or non-crystalline silica, silica particles, silica compounds, Silica Dust or synthetic silica, including but not limited to precipitated silica, silica gel, fumed silica or silica flour.
Silica means a respirable crystalline form of silicon dioxide, including, but not limited to, alpha quartz, cristobalite, and trydmite.
Silica means silica in any form (including silicates or other similar silicon compounds), including its presence or use in any alloy, by-product, compound or other material or “waste”.
Silica means silicon dioxide (SiO2 ) in any form, from any source.
Silica means a respirable crystalline form of silicon dioxide, including, but not limited to, alpha quartz, cristobalite and trydmite. The term "silica" also includes a mixture of dusts composed of silica and one or more other fibrogenic dusts capable of inducing pulmonary fibrosis if inhaled in sufficient quantity.