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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
This sunscreen guards against sun damage with the help of mineral UV blockers, titanium dioxide, and zinc oxide while antioxidant-rich plankton extract protects delicate skin against environmental aggressors.
—Jennifer Hussein, Allure, 18 Aug. 2024
Physical sunscreens, on the other hand, are characterized by the active ingredients zinc oxide and titanium dioxide.
—Genevieve Cepeda, Peoplemag, 13 Aug. 2024
Chemical or Mineral: Mineral (zinc oxide 10%, titanium dioxide 8%)
Supergoop!
—Kiana Murden, Vogue, 9 Aug. 2024
Mineral sunscreen, also called physical or non-absorbed sunscreen, is made up of minerals — specifically, zinc and titanium dioxide.
—Megan Decker, refinery29.com, 7 July 2024
See all Example Sentences for titanium dioxide
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'titanium dioxide.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 22 Sep. 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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