1807, W. Taylor, Annual Review, p. 274:It will only facilitate the acquirement of a sesquipedalian diction, having the polysyllabicism without the precision of Johnson.
1973, C. G. Dobbs, "Book Review of Soil Micro-Organisms by T. R. G. Gray and S. T. Williams (1971)," The Journal of Applied Ecology, vol. 10, no. 2, p. 665:If polysyllabicism is considered more 'scientific,' should we not seize the opportunity to call the study of micro-organisms 'mico-organicology'?
2005 Feb. 15, Susan Elkin, In praise of polysyllabicism, Telegraph.co.uk, Telegraph Media Group:Vocabulary is the meat, blood and bones of language.