photochemistry

noun

pho·​to·​chem·​is·​try ˌfō-tō-ˈke-mə-strē How to pronounce photochemistry (audio)
1
: a branch of chemistry that deals with the effect of radiant energy in producing chemical changes
2
a
: photochemical properties
the photochemistry of gases
b
: photochemical processes
photochemistry of vision
photochemist noun

Word History

First Known Use

1860, in the meaning defined at sense 1

Time Traveler
The first known use of photochemistry was in 1860

Dictionary Entries Near photochemistry

Cite this Entry

“Photochemistry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photochemistry. Accessed 1 Jun. 2023.

Medical Definition

photochemistry

noun
pho·​to·​chem·​is·​try -ˈkem-ə-strē How to pronounce photochemistry (audio)
plural photochemistries
1
: a branch of chemistry that deals with the effect of radiant energy in producing chemical changes
2
a
: photochemical properties
the photochemistry of gases
b
: photochemical processes
the photochemistry of vision

More from Merriam-Webster on photochemistry

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