silicon dioxide


Definition of silicon dioxide

: silica

Examples of silicon dioxide in a Sentence

Recent Examples on the Web Glass, both ancient and modern, is a material usually made of silicon dioxide, or silica, that is characterized by its disorderly atoms. Carolyn Wilke, Smithsonian Magazine, 24 Nov. 2021 The silicon dioxide deriving from the volcanic ash covering the carcass. David Bressan, Forbes, 24 Sep. 2021 Lifescaped's colors are often produced using silicon dioxide, a biodegradable compound found organically in nature. CNN, 3 June 2021 Almost half of it is silicon dioxide glass created by meteoroids hitting the moon, heating up and fusing the silicon topsoil into glass, then breaking it into tiny shards. Eric Niiler, Wired, 19 Aug. 2021 This product has a notably clean flavor and was the only one devoid of silicon dioxide or other anticaking chemicals designed to keep the salts free-flowing. Paul Stephen, San Antonio Express-News, 16 June 2021 Then, as now, the material was made by melting silicon dioxide, or silica, at about 2000°C, and then using a variety of techniques to shape it. Robert F. Service, Science | AAAS, 8 Apr. 2021 Sometimes manufacturers use filler ingredients like magnesium stearate or silicon dioxide to drive production costs down, but those ingredients provide no value. Norcal Marketing, Chron, 4 Feb. 2021 Glass, meanwhile, is formed of the compound silica, also known as silicon dioxide. David Lumb, Popular Mechanics, 9 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'silicon dioxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of silicon dioxide

circa 1909, in the meaning defined above

Learn More About silicon dioxide

Time Traveler for silicon dioxide

Time Traveler

The first known use of silicon dioxide was circa 1909

See more words from the same year

Dictionary Entries Near silicon dioxide

silicon copper

silicon dioxide


See More Nearby Entries 

Statistics for silicon dioxide

Last Updated

1 Dec 2021

Cite this Entry

“Silicon dioxide.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for silicon dioxide

silicon dioxide


Medical Definition of silicon dioxide

: silica


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!