-
- To save this word, you'll need to log in.
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
Only two sunscreen ingredients — zinc oxide and titanium dioxide — would be able to keep their decades-old approvals under that proposal.
—Alexander Tin, CBS News, 2 Oct. 2024
Active ingredients: Zinc oxide, titanium dioxide / SPF: 30 / Size: 3.2 fl. oz.
—Danielle Sinay, Glamour, 13 Aug. 2024
For instance, mineral sunscreens (or physical sunscreens) primarily contain titanium dioxide, zinc oxide.
—Sherri Gordon, Health, 6 Aug. 2024
This sunscreen guards against sun damage with the help of mineral UV blockers, titanium dioxide, and zinc oxide while antioxidant-rich plankton extract protects delicate skin against environmental aggressors.
—Jennifer Hussein, Allure, 18 Aug. 2024
See all Example Sentences for titanium dioxide
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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 26 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share