The spelling of the word "orceine" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription: /ˈɔːrsiːn/. The "or" sound is represented by the phoneme /ɔː/, followed by the phoneme /s/ for the "s" sound. The letter "c" in this word is pronounced as the phoneme /s/ as well, while the letter "e" at the end is pronounced as the phoneme /iː/. Therefore, the transcription /ˈɔːrsiːn/ accurately represents the pronunciation of the word "orceine".
The deep-red colouring principle of the lichen-pigments, as archil, cudbear, litmus, &c.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.