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titanium dioxide
noun
: an oxide TiO2 of titanium that occurs in rutile, anatase, and ilmenite and is used especially as a pigment
Examples of titanium dioxide in a Sentence
Recent Examples on the Web
Zinc oxide and titanium dioxide are mineral sunscreen agents to look out for.
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Lauren Valenti, Vogue, 11 June 2024
Mineral formulations rely on flecks of minerals spread on top of the skin to physically reflect the sun’s rays; zinc dioxide and titanium dioxide are the two ingredients typically used in these products.
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Keren Landman, Vox, 10 June 2024
Mineral formulas typically contain ingredients such as zinc oxide and titanium dioxide.
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Amanda Ogle, Southern Living, 5 June 2024
And the dye will then absorb the photons, excite electrons that are injected into the titanium dioxide layer and then collected by the anode and then conducted out to the cable.
—
IEEE Spectrum, 15 May 2024
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Word History
First Known Use
1877, in the meaning defined above
Dictionary Entries Near titanium dioxide
Cite this Entry
“Titanium dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/titanium%20dioxide. Accessed 3 Jul. 2024.
Medical Definition
titanium dioxide
noun
: an oxide TiO2 of titanium that is used especially as a pigment and in sunblocks
More from Merriam-Webster on titanium dioxide
Britannica.com: Encyclopedia article about titanium dioxide
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