silica

noun
UK: /ˈsɪlɪkə/
US: /ˈsɪlɪkə/

  1. A hard, clear material that is found in sand and quartz. It is used to make glass.

    1. Glass is primarily made from silica.
    2. The analysis revealed a high percentage of silica in the soil sample, impacting its drainage.

  2. Silicon dioxide, a chemical compound with the formula SiO₂, occurring naturally as quartz and as a principal constituent of sandstone and other rocks.

    1. Silica is an important component of many rocks.
    2. The researchers investigated the effect of silica nanoparticles on the properties of concrete.

Synonyms

silicon dioxide flint quartz
silica transitive-verb

  1. To treat or coat something with silica.

    1. They silica the surface to make it waterproof.
    2. The manufacturer decided to silica the internal components to improve their resistance to corrosion.

Frequently Asked Questions

The word "silica" in English means: A hard, clear material that is found in sand and quartz. It is used to make glass., Silicon dioxide, a chemical compound with the formula SiO₂, occurring naturally as quartz and as a principal constituent of sandstone and other rocks..

The phonetic transcription of "silica" is /ˈsɪlɪkə/ in British English and /ˈsɪlɪkə/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "silica": silicon dioxide, flint, quartz.

Example usage of "silica": "Glass is primarily made from silica.". More examples on the page.