diclofenac

noun
di·​clo·​fe·​nac | \ dī-ˈklō-fə-ˌnak How to pronounce diclofenac (audio) \

Medical Definition of diclofenac

: 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