The spelling of the word "sal carolinum factitium effervescena" may seem daunting to the untrained eye, but can be broken down with the use of International Phonetic Alphabet (IPA) phonetic transcription. Beginning with "sal", the /s/ sound is followed by the /æ/ vowel sound and the /l/ consonant. "Carolinum" starts with the /k/ sound, followed by the diphthong /ær/ and ending with /əʊ/ (the "o" sound). The word "factitium" contains the sounds /f/, /æk/, /t/, /ɪ/, and /jʊm/. Finally, "effervescena" features the sounds /ɛfə/, /və/, /ʃ/, /ɛn/, and /ə/.
Effervescent artificial Carlsbad salt, made by the addition to the artificial Carlsbad salt 250, of sodium bicarbonate 400, tartaric acid 157, and citric acid 250; dose gr. 90 (6.0) dissolved in a glass of water.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.