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 Chemical sunscreens contain ingredients that absorb UV rays while mineral sunscreens rely on zinc oxide or titanium dioxide to block or reflect the rays. Kevinisha Walker, Los Angeles Times, 29 June 2024 Their active ingredients—zinc oxide and titanium dioxide—are technically naturally occurring minerals, but synthetic versions are used in sunscreen formulations. Kara Nesvig, Allure, 27 June 2024 Kids’ sunscreen is often created with mineral ingredients zinc oxide or titanium dioxide and with sensitive skin in mind. Clare Mulroy, USA TODAY, 17 June 2024 Zinc oxide and titanium dioxide are mineral sunscreen agents to look out for. Lauren Valenti, Vogue, 11 June 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 7 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

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