photonics
noun
pho·ton·ics
fō-ˈtä-niks 
plural in form but singular in construction
: a branch of physics that deals with the properties and applications of photons especially as a medium for transmitting information
Cite this Entry
“Photonics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photonics. Accessed 16 Sep. 2025.
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