silicon dioxide

noun

: silica

Example Sentences

Recent Examples on the Web In experiments, players worked on a lab simulator where they were asked to etch a memory hole, which is a trench in a silicon dioxide film that is used to create a memory cell. IEEE Spectrum, 22 Mar. 2023 Separately, the team formed a uniform sheet of an atomically thin material (molybdenum disulfide) on top of a silicon dioxide surface by chemical vapor deposition. John Timmer, Ars Technica, 21 Mar. 2023 The type of silica used to make cell phone chips is an ultra-refined and inherently delicate form of silicon dioxide particles. Sara Novak, Discover Magazine, 24 Dec. 2022 The Sagittarius cell salt is silicon dioxide. BostonGlobe.com, 10 Aug. 2020 If the core is pure silicon dioxide, the loss at wavelengths near 1.55 micrometers—the wavelength of choice for fiber-optic signals—is less than 0.2 decibels per kilometer. IEEE Spectrum, 7 June 2022 Raman’s radiator — dubbed the photonic radiative cooler — is constructed with seven alternating layers of silicon dioxide and hafnium oxide placed on a reflective base layer of silver. Carl Engelking, Discover Magazine, 3 Dec. 2014 Silica is made from mined quartz (silicon dioxide). Lorraine Wilde, Treehugger, 23 Jan. 2023 These insulating layers are often made of materials such as silicon dioxide and this has to be sputtered onto the surface using an electric field. The Physics Arxiv Blog, Discover Magazine, 30 Nov. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'silicon dioxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1909, in the meaning defined above

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

Dictionary Entries Near silicon dioxide

Cite this Entry

“Silicon dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/silicon%20dioxide. Accessed 28 May. 2023.

Kids Definition

silicon dioxide

noun
: silica

Medical Definition

silicon dioxide

noun
: silica
Last Updated: - Updated example sentences
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