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

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Word History

First Known Use

circa 1909, in the meaning defined above

Kids Definition

silicon dioxide

noun

: silica

Medical Definition

silicon dioxide

noun

: silica