photoactivation

noun
pho·​to·​ac·​ti·​va·​tion | \ ˌfōt-ō-ˌak-tə-ˈvā-shən How to pronounce photoactivation (audio) \

Medical Definition of photoactivation

: the process of activating a substance by means of radiant energy and especially light also : photocatalysis — compare photoinactivation sense 2

Other Words from photoactivation

photoactivate \ -​ˈak-​tə-​ˌvāt How to pronounce photoactivation (audio) \ transitive verb photoactivated; photoactivating

Learn More About photoactivation

Dictionary Entries Near photoactivation

photism

photoactivation

photoactive

See More Nearby Entries 

Cite this Entry

“Photoactivation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photoactivation. Accessed 8 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Love words? Need even more definitions?

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