The word "Viternum" is spelled with the phonetic transcription /vaɪˈtɜːnəm/. The first syllable "vi" is pronounced with the long "i" sound as in "eye", followed by the stressed syllable "ter" with a short "e" sound as in "ten". The final syllable "num" is pronounced with the short "u" sound as in "hut" and the unstressed "m" sound. The sound of the letter "t" in this word is also important as it distinguishes it from similar words such as "vitamin".