The spelling of the word "Aphronitrum" can be a bit confusing due to its Greek origins. In IPA phonetic transcription, it is pronounced as /æfrɒnaɪtrəm/. The "ph" represents the Greek letter phi, which is translated into an "f" sound in English. The "o" in "Aphro-" is pronounced as a short "a" sound. The "-nitrum" suffix contains the "i" as a long "i" sound, like "eye". Overall, the word is pronounced as "af-roh-neye-truhm".