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silicon dioxide

noun

: silica

Examples of silicon dioxide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Quartz—or more technically, silicon dioxide or silica—is the main component of sand. IEEE Spectrum, 22 Sep. 2025 The interdisciplinary team came up with 12 different potential recipes using varying percentages of silicon dioxide, copper, calcium, and sodium carbonate. ArsTechnica, 30 June 2025 The team experimented with materials like silicon dioxide, copper, calcium, and sodium carbonate, and devised 12 distinct recipes for the pigment. Jay Kakade june 14, New Atlas, 14 June 2025 There is no established acceptable daily intake (ADI) for silicon dioxide. Merve Ceylan, Health, 2 Nov. 2024 See All Example Sentences for silicon dioxide

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of silicon dioxide was circa 1909

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Cite this Entry

“Silicon dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicon%20dioxide. Accessed 29 Nov. 2025.

Kids Definition

silicon dioxide

noun
: silica

Medical Definition

silicon dioxide

noun
: silica
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