The spelling of the word "pulvis salis carolini factitii efferveacens" may seem daunting at first glance. However, with the help of IPA phonetic transcription, it becomes clearer. "Pulvis" is pronounced "ˈpʊl.vɪs", "salis" as "ˈsæ.lɪs", "carolini" as "ˌkær.əˈliː.nɪ", "factitii" as "fækˈtɪt.iː", and "efferveacens" as "ˌɛ.fər.viːˈeɪ.sənz". Collectively, the word refers to an effervescent powder made from Carolina salt which is artificially produced. Despite its complex spelling, the word is quite descriptive and precise in its meaning, illustrating the importance of clear
Effervescent artificial Carlsbad salt; sal carolinum factitium (N.F.) mixed with saccharated sodium carbonate. and saccharated tartaric acid; a heaping teaspoonful, gr. 90 (6.0), in a glass of water (36, or 200.0) epresentsra glass of Carlsbad (Sprudel) salt.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.