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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
And the dye will then absorb the photons, excite electrons that are injected into the titanium dioxide layer and then collected by the anode and then conducted out to the cable.
—IEEE Spectrum, 15 May 2024
Sunscreens made from the minerals titanium dioxide and zinc oxide create a physical barrier atop the skin that reflects UV light.
—Jamie Ducharme, TIME, 9 May 2024
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
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
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 31 May. 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
Britannica.com: Encyclopedia article about titanium dioxide
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