edrophonium

== English == === Etymology === From e(thyl) +‎ (hy)dro(xy)ph(enyl) +‎ -onium (“quaternary ammonium compound”). === Pronunciation === (General American) IPA(key): /ˌɛ.dɹəˈfoʊ.ni.əm/ === Noun === edrophonium (uncountable) (biochemistry, pharmacology) An anticholinesterase C10H16NO+ used especially to stimulate skeletal muscle and in the diagnosis of myasthenia gravis. ==== Derived terms ==== edrophonium chloride === References === “edrophonium”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.