pyrogallin
/ˌpʌɪrəʊˈɡalɪn/Chemistry rare
noun
= pyrogallol.
Origin
Mid 19th century; earliest use found in The Chemical Gazette. From pyrogall- + -in, after French pyrogalline (A. Rösing 1857, in 44 1152). Compare German Pyrogallin (A. Rösing 1857, in a translation of the French paper).