: the dioxide of silicon SiO2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively)
Examples of silica in a Sentence
Recent Examples on the Web
Coal ash is a sooty confetti of toxins: arsenic, mercury, silica, radium.
—
Jared Sullivan, TIME, 30 Oct. 2024
Glass contains silica, as do sand and certain types of clay that would have been present on primordial Earth.
—Bymitch Leslie, science.org, 30 Oct. 2024
In that direction, the company has entered into an agreement to divest its silica product business for $310 million to QEMETICA.
—Trefis Team, Forbes, 25 Sep. 2024
The silica was then left free-floating as the X-ray burst hit it.
—Greg Wehner, Fox News, 24 Sep. 2024
See all Example Sentences for silica 
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Jared Sullivan, TIME, 30 Oct. 2024
Glass contains silica, as do sand and certain types of clay that would have been present on primordial Earth.
—Bymitch Leslie, science.org, 30 Oct. 2024
In that direction, the company has entered into an agreement to divest its silica product business for $310 million to QEMETICA.
—Trefis Team, Forbes, 25 Sep. 2024
The silica was then left free-floating as the X-ray burst hit it.
—Greg Wehner, Fox News, 24 Sep. 2024
See all Example Sentences for silica
Dictionary Entries Near silica
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“Silica.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silica. Accessed 16 Nov. 2024.
Copy CitationKids Definition
silica
noun
sil·i·ca
ˈsil-i-kə 
: a compound that consists of the dioxide of silicon and occurs in various forms (as in quartz, opal, and sand)
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