How to Use titanium dioxide in a Sentence

titanium dioxide

noun
  • Only those with zinc oxide and titanium dioxide are allowed to be sold and used.
    — Kathleen Wong, USA Today, 12 Dec. 2025
  • Without titanium dioxide, consumers may just have to get used to uglier food.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • Zinc oxide and titanium dioxide are mineral sunscreen agents to look out for.
    — Lauren Valenti, Vogue, 11 June 2024
  • Whether people really should fret about titanium dioxide while licking an ice-cream cone is a contentious question.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • Mineral sunscreens rely on zinc oxide or titanium dioxide to block or reflect the rays.
    — Tribune News Service, The Mercury News, 5 July 2024
  • The biggest issue with mineral sunscreen is that zinc and titanium dioxide are white pigments that can leave a grey or purplish cast on dark skin.
    — Megan Decker, refinery29.com, 7 July 2024
  • Food makers argue that this distinction demonstrates that titanium dioxide is not like other dyes.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • Shoppers with darker skin tones should avoid mineral sunscreens with zinc oxide or titanium dioxide, which can leave behind a gray or ashen film.
    — Nia Decaille, Washington Post, 6 Mar. 2020
  • Twin Pines wants to mine titanium dioxide that is primarily used to produce white pigment for paints and paper.
    — Washington Post, 10 Feb. 2020
  • The nanoparticles in sunscreen, for example, are made of zinc oxide or titanium dioxide.
    — Elizabeth Preston, Discover Magazine, 24 Feb. 2012
  • When sunscreen is needed, look for products with non-nano zinc oxide or titanium dioxide as active ingredients.
    — ABC News, 28 Apr. 2026
  • The purpose of the catalyst, titanium dioxide in this case, is to react with the micropollutants and help remove them in the process.
    — IEEE Spectrum, 23 Jan. 2023
  • Even so, by 1570, the Inca had stopped using titanium dioxide.
    — Adam Rogers, Smithsonian Magazine, 19 May 2021
  • His team tested substances such as titanium dioxide and calcium carbonate and made a cooling but less reflective paint out of the latter last year.
    — Sophie Bushwick, Scientific American, 21 May 2021
  • And coating concrete and asphalt surfaces with titanium dioxide—which is also found in sunscreen—can help keep their temperature down.
    — Jeffrey Kluger, Time, 12 July 2023
  • Mineral sunscreens, such as zinc oxide and titanium dioxide, form a protective barrier between the skin and the sun.
    — Deidre McPhillips, CNN Money, 11 Dec. 2025
  • Travelers instead may use reef-safe sunscreens made with minerals such as zinc oxide and titanium dioxide (here’s a list of hundreds of coral-safe sunscreens to try).
    — Los Angeles Times, 28 Aug. 2019
  • This lightweight gel provides the look of bare skin, with a natural airbrush glow thanks to reflective minerals like mica and titanium dioxide.
    — Conçetta Ciarlo, Vogue, 23 May 2025
  • Switch to a physical (mineral) sunscreen with zinc oxide or titanium dioxide, which may be gentler on sensitive skin.
    — Megan Nunn, Verywell Health, 27 Aug. 2025
  • Those positives contrast with mineral sunscreens, which rely on the broad-spectrum filters zinc oxide or titanium dioxide and can leave a chalky white cast on the skin.
    — Danielle Zickl, Health, 12 June 2026
  • But many more companies that are replacing other artificial food dyes have been quiet about titanium dioxide.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • Both zinc oxide and titanium dioxide are mineral UV filters.
    — Maria Godoy, NPR, 13 June 2026
  • There are a number of very good, new options that have evolved the more primitive zinc and titanium dioxide formulas that were notorious for leaving behind a white cast.
    — Celia Ellenberg, Vogue, 2 June 2021
  • Bolstered with titanium dioxide for sun protection, the budget-friendly salve also contains glycerin, which contributes to a dewy skin look.
    — Jenny Berg, Glamour, 25 June 2026
  • Skittles, a popular candy in the US, contain titanium dioxide for better color and longer shelf life.
    — Mimansa Verma, Quartz, 30 May 2023
  • The evidence against titanium dioxide isn’t much different from that against other artificial dyes.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • Physical sunscreens, meanwhile, use minerals like zinc oxide and titanium dioxide to shield skin from UV rays.
    — Deanna Pai, Vogue, 3 Apr. 2024
  • The researchers’ next step is more complete real-world testing at Iowa pig farms, including coating barn ceilings and walls with the titanium dioxide and hitting it with black light.
    — Andrew Amelinckx, Smithsonian, 27 Oct. 2017
  • The ice-cream company Turkey Hill, which joined the dairy industry’s dye pledge, is in the process of purging its products of titanium dioxide, a spokesperson said.
    — Nicholas Florko, The Atlantic, 8 Aug. 2025
  • The titanium dioxide that Twin Pines Minerals wants to mine is primarily used to produce white pigment for paints and paper.
    — Washington Post, 19 July 2019

Some of 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.

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