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silicon dioxide

noun, Chemistry
1.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for silicon dioxide
  • Until now, that has been done using silicon dioxide-in other words, quartz.
  • It's called aerogel, and it's an extremely lightweight form of silicon dioxide.
  • The oxygen stolen from the metals turns the silicon into silicon dioxide, or quartz.
  • For decades, the gate dielectric has been made of an insulating material called silicon dioxide.
  • However, as transistors have shrunk, the layer of silicon dioxide has needed to become thinner.
  • Currently, silicon transistors use a layer of silicon dioxide as the gate dielectric.
  • Usually, silicon dioxide is employed as the gate material, but the researchers used silicon monoxide.
  • It's coated with silicon dioxide, which will act as the insulator in the transistors.
  • They placed a sheet of the stuff over a tiny circular hole drilled into a slab of silicon dioxide.
  • The new approach begins with depositing patterned metal onto a substrate made of silicon dioxide.
silicon dioxide in Medicine

silicon dioxide n.
Silica.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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silicon dioxide in Science
silicon dioxide  
See silica.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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