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photocatalyst

noun

pho·​to·​cat·​a·​lyst -ˈkat-ᵊl-əst How to pronounce photocatalyst (audio)
: a substance that catalyzes the main reaction in photocatalysis

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photocatalysis
photocatalyst
photocatalytic
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“Photocatalyst.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photocatalyst. Accessed 1 Dec. 2025.

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