Solvay processPronunciation: /ˈsɒlveɪ/Definition of Solvay process noun [mass noun] Chemistry an industrial process for obtaining sodium carbonate from limestone, ammonia, and brine. Origin: late 19th century: named after Ernest Solvay (1838–1922), Belgian chemistSolvay process in other Oxford dictionaries Definition of Solvay process in the US English dictionary
