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 Physical sunscreens, meanwhile, use minerals like zinc oxide and titanium dioxide to shield skin from UV rays. Deanna Pai, Vogue, 3 Apr. 2024 An original version of that bill included titanium dioxide, which is found in Skittles, but it was amended in the Senate and taken out of the legislation. Caitlin O'Kane, CBS News, 14 Mar. 2024 Physical blockers contain minerals like titanium dioxide and zinc oxide and work by reflecting light away from your skin. Sarah Y. Wu, Glamour, 8 Mar. 2024 Our recent study compared fur fibers from beavers, otters, springbok, coyotes and more using a flow of water containing titanium dioxide, a common additive in cosmetics. Discover Magazine, 12 Jan. 2024 That’s because while zinc oxide can protect broad spectrum protection against all waves of UVA and UVB light, titanium dioxide is less effective at shielding your skin from long-wave UVA without being heavy and thick on skin. Brian Underwood, Women's Health, 31 July 2023 The formula boasts titanium dioxide, which helps with broad spectrum protection, while zinc oxide offers a physical barrier from UVA rays. Sophie Dodd, Peoplemag, 7 Jan. 2024 To stay sun-safe without exacerbating eczema symptoms, look for physical sunscreens (also called mineral sunscreens), which contain ingredients such as titanium dioxide and zinc oxide that work by deflecting UV rays. Karen Pallarito, Health, 18 Dec. 2023 Mineral sunscreens are not carbon-based and include two compounds: titanium dioxide and zinc oxide. Sam Jones, Scientific American, 6 Sep. 2023

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 23 Apr. 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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