naproxen /naˈprɒksɛn 
/ ▸ noun [mass noun] Medicine a synthetic compound used as an anti-inflammatory drug, especially in the treatment of headache and arthritis. Chemical formula: C14H14O3.
– ORIGIN 1970s: from na(phthyl) + pr(opionic) + ox(y-), + -en on the pattern of words such as tamoxifen.
EnglishOxford Dictionary of English
