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

Time Traveler
The first known use of titanium dioxide was in 1877

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

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