avobenzone

noun

avo·​ben·​zone ˌā-və-ˈben-ˌzōn How to pronounce avobenzone (audio)
: a chemical compound C20H22O3 that absorbs UVA radiation and is used as an ingredient in sunscreens
Avobenzone is the most widely used ingredient to absorb UVA, the type of ultraviolet light that contributes to skin cancer and aging of the skin, but it degrades in sunlight, so it has to be combined with other ingredients to be effective.Susan Carpenter, The Los Angeles Times
Look for sunblocks and you shouldn't have any problem finding avobenzone (aka Parsol 1789), titanium dioxide, or zinc oxide.Harvard Health Letter

Note: Avobenzone is marketed under the trademark Parsol.

Dictionary Entries Near avobenzone

Cite this Entry

“Avobenzone.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/avobenzone. Accessed 9 Feb. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY