diclofenac
noun
di·clo·fe·nac
dī-ˈklō-fə-ˌnak 
: a nonsteroidal anti-inflammatory drug used in the form of its sodium salt C14H10Cl2NNaO2 or potassium salt C14H10Cl2KNaO2 especially to treat the symptoms of rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis see voltaren
Cite this Entry
“Diclofenac.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/diclofenac. Accessed 30 Nov. 2025.
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