ionist
/ˈʌɪənɪst/Physical Chemical Now historical
noun
A proponent of the theory that solutions contain permanent ions, and that only these take part in the reactions of a solution.
- The term is particularly associated with the names of Arrhenius (1859–1927), Ostwald (1853–1932), and van't Hoff (1852–1911)..
Origin
Late 19th century. From ion + -ist.