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
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Chemicals such as titanium dioxide and potassium bromate, whose safety has been debated, are allowed in foods in the United States but not in Europe. David Hilzenrath, CBS News, 7 Mar. 2025 Key Ingredients: Castor oil, synthetic wax, titanium dioxide Finish: Natural Finish Shades: 8 How to apply: Swipe color onto the apples of your cheeks and lips. Conçetta Ciarlo, Vogue, 27 Feb. 2025 The Omni-Shade Sun Deflector material uses reflective dots of titanium dioxide to deflect the sun’s heat away from the body. Alexandra Harrell, Sourcing Journal, 3 Sep. 2019 Wear a mineral sunscreen that blocks the sun's ultraviolet (UV) rays with zinc oxide or titanium dioxide. Carrie Madormo, Rn, Mph, Verywell Health, 27 Jan. 2025 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

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Cite this Entry

“Titanium dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/titanium%20dioxide. Accessed 13 Mar. 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

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