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silicon dioxide

American  
[sil-uh-kuhn-dahy-ahk-sahyd, sil-uh-kahn] / ˈsɪl ə kən daɪˈɑk saɪd, ˈsɪl əˌkɑn /

noun

  1. silica.


silicon dioxide Scientific  
  1. See silica


Other Word Forms

  • silicon-dioxide adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The pair studied ways to replace silicon dioxide, the dominant gate material at the time, which leaked too much current when devices became very small.

From Science Daily • Mar. 5, 2026

These values surpass those of commonly used materials such as silicon dioxide and hexagonal boron nitride.

From Science Daily • May 9, 2024

Initially, the silicon wafer, which was topped by a thick layer of silicon dioxide, seemed to prevent diamond growth.

From Science Magazine • Apr. 24, 2024

Yet the silicon-based equivalent is silicon dioxide, which is basically little more than sand, Shostak explained, listing quartz as an example.

From Salon • Dec. 20, 2023

When sodium and calcium silicates, together with silicon dioxide, are heated to a very high temperature, the mixture slowly fuses to a transparent liquid, which on cooling passes into the solid called glass.

From An Elementary Study of Chemistry by McPherson, William