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

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With the research and data coming out, the European Union, out of an abundance of caution, decided to pull the additive titanium dioxide from its food supply, forcing companies to seek alternatives.9 Skittles, for example, had to change its formula in Europe. Emily Nadal, Parents, 1 Oct. 2024 In 2013, Snaith unveiled a cell using a layer of perovskite without titanium dioxide nanoparticles, simplifying the cell’s architecture and pushing its efficiency above 15 percent. IEEE Spectrum, 25 June 2014 Food Additives Food additives such as aluminum, titanium dioxide (TiO2), and microparticles/nanoparticles. Anna Giorgi, Verywell Health, 28 Oct. 2024 Mineral sunscreens with zinc oxide or titanium dioxide are great for sensitive skin, but chemical sunscreens packed with hydration work just as well. Christa Joanna Lee, Allure, 22 Oct. 2024 See all Example Sentences for titanium dioxide 

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 24 Jan. 2025.

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

Last Updated: - Updated example sentences
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