Oxyquinaseptol is a relatively uncommon and complex word that does not adhere to standard English phonetic rules. Its pronunciation can be better understood by using the International Phonetic Alphabet (IPA) transcription, which represents each phoneme within the word. In IPA, oxyquinaseptol is pronounced as /ɑksiˌkwɪnəˈsɛptɔl/. The word's spelling can be confusing due to the combination of various morphemes with multiple possibilities for vowel and consonant sounds, making it challenging to spell unless already familiar with the word.
Diaphtherin, a yellowish crystalline powder, soluble in water, employed as an antiseptic in 1 per cent. solution.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.